Include go.sum in the Go CloudEvent template (#2441)

The go.sum must be in place otherwise "go list -f {{.Incomplete}}"
returns true which breaks s2i build.

Signed-off-by: Matej Vašek <[email protected]>

Author: matejvasek

.gitignore

@@ -4,7 +4,6 @@
 /cmd/func.yaml
 /templates/typescript/cloudevents/build
 /templates/typescript/http/build
-/templates/go/cloudevents/go.sum
 /coverage.out
 /coverage.txt
 /.coverage

Makefile

@@ -83,8 +83,6 @@ generate/zz_filesystem_generated.go: clean_templates templates/certs/ca-certific
 .PHONY: clean_templates
 clean_templates:
 	# Removing temporary template files
-	@rm -f templates/go/cloudevents/go.sum
-	@rm -f templates/go/http/go.sum
 	@rm -rf templates/node/cloudevents/node_modules
 	@rm -rf templates/node/http/node_modules
 	@rm -rf templates/python/cloudevents/__pycache__