build: Remove unused scripts

Signed-off-by: Paulo Gomes <[email protected]>

Author: Paulo Gomes

Makefile

@@ -172,13 +172,10 @@ install-envtest: setup-envtest ## Download envtest binaries locally.
 help:  ## Display this help menu
 	@awk 'BEGIN {FS = ":.*##"; printf "\nUsage:\n  make \033[36m<target>\033[0m\n"} /^[a-zA-Z_0-9-]+:.*?##/ { printf "  \033[36m%-20s\033[0m %s\n", $$1, $$2 } /^##@/ { printf "\n\033[1m%s\033[0m\n", substr($$0, 5) } ' $(MAKEFILE_LIST)
 
-update-attributions:
-	./hack/update-attributions.sh
-
 e2e:
 	./hack/ci/e2e.sh
 
-verify: update-attributions fmt vet manifests api-docs tidy
+verify: fmt vet manifests api-docs tidy
 	@if [ ! "$$(git status --porcelain --untracked-files=no)" = "" ]; then \
 		echo "working directory is dirty:"; \
 		git --no-pager diff; \