Move doc-generation funcs into only caller

hack/verify-generated-docs.sh

@@ -23,19 +23,6 @@ set -o nounset
 set -o pipefail
 
 KUBE_ROOT=$(dirname "${BASH_SOURCE[0]}")/..
-source "${KUBE_ROOT}/hack/lib/init.sh"
+source "${KUBE_ROOT}/hack/lib/verify-generated.sh"
 
-kube::golang::setup_env
-
-BINS=(
-	./cmd/gendocs
-	./cmd/genkubedocs
-	./cmd/genman
-	./cmd/genyaml
-)
-GOPROXY=off go install "${BINS[@]}"
-
-kube::util::ensure-temp-dir
-
-# just verify the generation process
-kube::util::gen-docs "${KUBE_TEMP}"
+kube::verify::generated "Generated docs need to be updated" "Please run 'hack/update-generated-docs.sh'" hack/update-generated-docs.sh "$@"