Remove git-vars from conmon/config.h generation

The `git-vars` target force a rebuild of the `config.h` even if it
already exist. This can break build-setups, so we remove it from the
`config.h` generation.

Cherry-picked: aea87f4
Signed-off-by: Sascha Grunert <sgrunert@suse.com>

Makefile

@@ -136,7 +136,7 @@ crio.conf: bin/crio
 release-note: ${RELEASE_TOOL}
 	${RELEASE_TOOL} -n $(release)
 
-conmon/config.h: git-vars cmd/crio-config/config.go oci/oci.go
+conmon/config.h: cmd/crio-config/config.go oci/oci.go
 	$(GO) build $(LDFLAGS) -tags "$(BUILDTAGS)" -o bin/crio-config $(PROJECT)/cmd/crio-config
 	( cd conmon && $(CURDIR)/bin/crio-config )