[chore] Update httpconfig API to not include HTTP prefix (#9453)

Following discussion
#9403 (comment)

Author: dmitryax

.chloggen/httpclientsettings_httpclientconfig-breaking.yaml

@@ -7,7 +7,7 @@ change_type: breaking
 component: otlphttpexporter
 
 # A brief description of the change.  Surround your text with quotes ("") if it needs to start with a backtick (`).
-note: otlphttpexporter.Config embeds the struct confighttp.HTTPClientConfig instead of confighttp.HTTPClientSettings
+note: otlphttpexporter.Config embeds the struct confighttp.ClientConfig instead of confighttp.HTTPClientSettings
 
 # One or more tracking issues or pull requests related to the change
 issues: [6767]

.chloggen/httpclientsettings_httpclientconfig.yaml

@@ -7,7 +7,7 @@ change_type: deprecation
 component: confighttp
 
 # A brief description of the change.  Surround your text with quotes ("") if it needs to start with a backtick (`).
-note: Deprecate HTTPClientSettings, use HTTPClientConfig instead
+note: Deprecate HTTPClientSettings, use ClientConfig instead
 
 # One or more tracking issues or pull requests related to the change
 issues: [6767]

.chloggen/httpserversettings_httpserverconfig-otlpreceiver.yaml

@@ -7,7 +7,7 @@ change_type: breaking
 component: otlpreceiver
 
 # A brief description of the change.  Surround your text with quotes ("") if it needs to start with a backtick (`).
-note: HTTPConfig struct is moving from embedding the deprecated HTTPServerSettings struct to using HTTPServerConfig instead.
+note: HTTPConfig struct is moving from embedding the deprecated ServerSettings struct to using HTTPServerConfig instead.
 
 # One or more tracking issues or pull requests related to the change
 issues: [6767]

.chloggen/httpserversettings_httpserverconfig.yaml

@@ -7,7 +7,7 @@ change_type: deprecation
 component: confighttp
 
 # A brief description of the change.  Surround your text with quotes ("") if it needs to start with a backtick (`).
-note: Deprecate HTTPServerSettings, use HTTPServerConfig instead
+note: Deprecate HTTPServerSettings, use ServerConfig instead
 
 # One or more tracking issues or pull requests related to the change
 issues: [6767]

config/confighttp/compression_test.go

@@ -95,7 +95,7 @@ func TestHTTPClientCompression(t *testing.T) {
 			req, err := http.NewRequest(http.MethodGet, srv.URL, reqBody)
 			require.NoError(t, err, "failed to create request to test handler")
 
-			clientSettings := HTTPClientConfig{
+			clientSettings := ClientConfig{
 				Endpoint:    srv.URL,
 				Compression: tt.encoding,
 			}

config/confighttp/confighttp.go

@@ -30,11 +30,11 @@ import (
 const headerContentEncoding = "Content-Encoding"
 
 // HTTPClientSettings defines settings for creating an HTTP client.
-// Deprecated: [v0.94.0] Use HTTPClientConfig instead
-type HTTPClientSettings = HTTPClientConfig
+// Deprecated: [v0.94.0] Use ClientConfig instead
+type HTTPClientSettings = ClientConfig
 
-// HTTPClientConfig defines settings for creating an HTTP client.
-type HTTPClientConfig struct {
+// ClientConfig defines settings for creating an HTTP client.
+type ClientConfig struct {
 	// The target URL to send data to (e.g.: http://some.url:9411/v1/traces).
 	Endpoint string `mapstructure:"endpoint"`
 
@@ -107,28 +107,28 @@ type HTTPClientConfig struct {
 // the default values of 'MaxIdleConns' and 'IdleConnTimeout'.
 // Other config options are not added as they are initialized with 'zero value' by GoLang as default.
 // We encourage to use this function to create an object of HTTPClientSettings.
-// Deprecated: [v0.94.0] Use NewDefaultHTTPClientConfig instead
-func NewDefaultHTTPClientSettings() HTTPClientConfig {
-	return NewDefaultHTTPClientConfig()
+// Deprecated: [v0.94.0] Use NewDefaultClientConfig instead
+func NewDefaultHTTPClientSettings() ClientConfig {
+	return NewDefaultClientConfig()
 }
 
-// NewDefaultHTTPClientConfig returns HTTPClientConfig type object with
+// NewDefaultClientConfig returns ClientConfig type object with
 // the default values of 'MaxIdleConns' and 'IdleConnTimeout'.
 // Other config options are not added as they are initialized with 'zero value' by GoLang as default.
-// We encourage to use this function to create an object of HTTPClientConfig.
-func NewDefaultHTTPClientConfig() HTTPClientConfig {
+// We encourage to use this function to create an object of ClientConfig.
+func NewDefaultClientConfig() ClientConfig {
 	// The default values are taken from the values of 'DefaultTransport' of 'http' package.
 	maxIdleConns := 100
 	idleConnTimeout := 90 * time.Second
 
-	return HTTPClientConfig{
+	return ClientConfig{
 		MaxIdleConns:    &maxIdleConns,
 		IdleConnTimeout: &idleConnTimeout,
 	}
 }
 
 // ToClient creates an HTTP client.
-func (hcs *HTTPClientConfig) ToClient(host component.Host, settings component.TelemetrySettings) (*http.Client, error) {
+func (hcs *ClientConfig) ToClient(host component.Host, settings component.TelemetrySettings) (*http.Client, error) {
 	tlsCfg, err := hcs.TLSSetting.LoadTLSConfig()
 	if err != nil {
 		return nil, err
@@ -257,11 +257,11 @@ func (interceptor *headerRoundTripper) RoundTrip(req *http.Request) (*http.Respo
 }
 
 // HTTPServerSettings defines settings for creating an HTTP server.
-// Deprecated: [v0.94.0] Use HTTPServerConfig instead
-type HTTPServerSettings = HTTPServerConfig
+// Deprecated: [v0.94.0] Use ServerConfig instead
+type HTTPServerSettings = ServerConfig
 
-// HTTPServerConfig defines settings for creating an HTTP server.
-type HTTPServerConfig struct {
+// ServerConfig defines settings for creating an HTTP server.
+type ServerConfig struct {
 	// Endpoint configures the listening address for the server.
 	Endpoint string `mapstructure:"endpoint"`
 
@@ -287,7 +287,7 @@ type HTTPServerConfig struct {
 }
 
 // ToListener creates a net.Listener.
-func (hss *HTTPServerConfig) ToListener() (net.Listener, error) {
+func (hss *ServerConfig) ToListener() (net.Listener, error) {
 	listener, err := net.Listen("tcp", hss.Endpoint)
 	if err != nil {
 		return nil, err
@@ -306,14 +306,14 @@ func (hss *HTTPServerConfig) ToListener() (net.Listener, error) {
 }
 
 // toServerOptions has options that change the behavior of the HTTP server
-// returned by HTTPServerConfig.ToServer().
+// returned by ServerConfig.ToServer().
 type toServerOptions struct {
 	errHandler func(w http.ResponseWriter, r *http.Request, errorMsg string, statusCode int)
 	decoders   map[string]func(body io.ReadCloser) (io.ReadCloser, error)
 }
 
 // ToServerOption is an option to change the behavior of the HTTP server
-// returned by HTTPServerConfig.ToServer().
+// returned by ServerConfig.ToServer().
 type ToServerOption func(opts *toServerOptions)
 
 // WithErrorHandler overrides the HTTP error handler that gets invoked
@@ -336,7 +336,7 @@ func WithDecoder(key string, dec func(body io.ReadCloser) (io.ReadCloser, error)
 }
 
 // ToServer creates an http.Server from settings object.
-func (hss *HTTPServerConfig) ToServer(host component.Host, settings component.TelemetrySettings, handler http.Handler, opts ...ToServerOption) (*http.Server, error) {
+func (hss *ServerConfig) ToServer(host component.Host, settings component.TelemetrySettings, handler http.Handler, opts ...ToServerOption) (*http.Server, error) {
 	internal.WarnOnUnspecifiedHost(settings.Logger, hss.Endpoint)
 
 	serverOpts := &toServerOptions{}