Makefile,test: Remove the test/rh-operators directory (#2354)

Update the root Makefile and remove the target for running the metric
e2e tests.

Remove the test/rh-operators directory.

Signed-off-by: timflannagan <[email protected]>

Author: timflannagan

Makefile

@@ -161,9 +161,6 @@ e2e-local-docker:
 	. ./scripts/build_local.sh
 	. ./scripts/run_e2e_docker.sh $(TEST)
 
-e2e-operator-metrics:
-	go test -v $(MOD_FLAGS) -timeout 70m ./test/rh-operators/...
-
 vendor:
 	go mod tidy
 	go mod vendor