[chore] Remove cmd/oteltestbedcol from target list (open-telemetry#35608)

<!--Ex. Fixing a bug - Describe the bug and how this fixes the issue.
Ex. Adding a feature - Explain what this achieves.-->
#### Description

Removes `cmd/oteltestbedcol` from list since it has no Makefile

<!-- Issue number (e.g. #1234) or full URL to issue, if applicable. -->
#### Link to tracking issue
Fixes open-telemetry#35606

Author: mx-psi

.github/workflows/scripts/release-prepare-release.sh

@@ -54,10 +54,6 @@ git commit -m "make multimod-sync changes ${CANDIDATE_BETA}" || (echo "no multim
 
 make gotidy
 
-pushd cmd/otelcontribcol
-go mod tidy
-popd
-
 git add .
 git commit -m "make gotidy changes ${CANDIDATE_BETA}" || (echo "no gotidy changes to commit")
 make otelcontribcol

Makefile

@@ -47,7 +47,7 @@ CONNECTOR_MODS := $(shell find ./connector/* $(FIND_MOD_ARGS) -exec $(TO_MOD_DIR
 INTERNAL_MODS := $(shell find ./internal/* $(FIND_MOD_ARGS) -exec $(TO_MOD_DIR) )
 PKG_MODS := $(shell find ./pkg/* $(FIND_MOD_ARGS) -exec $(TO_MOD_DIR) )
 CMD_MODS_0 := $(shell find ./cmd/[a-m]* $(FIND_MOD_ARGS) -exec $(TO_MOD_DIR) )
-CMD_MODS_1 := $(shell find ./cmd/[n-z]* $(FIND_MOD_ARGS) -not -path "./cmd/otelcontribcol/*" -exec $(TO_MOD_DIR) )
+CMD_MODS_1 := $(shell find ./cmd/[n-z]* $(FIND_MOD_ARGS) -not -path "./cmd/otel*col/*" -exec $(TO_MOD_DIR) )
 CMD_MODS := $(CMD_MODS_0) $(CMD_MODS_1)
 OTHER_MODS := $(shell find . $(EX_COMPONENTS) $(EX_INTERNAL) $(EX_PKG) $(EX_CMD) $(FIND_MOD_ARGS) -exec $(TO_MOD_DIR) ) $(PWD)
 ALL_MODS := $(RECEIVER_MODS) $(PROCESSOR_MODS) $(EXPORTER_MODS) $(EXTENSION_MODS) $(CONNECTOR_MODS) $(INTERNAL_MODS) $(PKG_MODS) $(CMD_MODS) $(OTHER_MODS)