Remove credentialprovider patch check on build-binaries

Signed-off-by: Joao Pereira <joaod@vmware.com>

hack/build-binaries.sh

@@ -12,17 +12,6 @@ go fmt ./cmd/... ./pkg/... ./test/...
 go mod vendor
 go mod tidy
 
-# related to https://github.com/vmware-tanzu/carvel-imgpkg/pull/255
-# there doesn't appear to be a simple way to disable the defaultDockerConfigProvider
-# Having defaultDockerConfigProvider enabled by default results in the imgpkg auth ordering not working correctly
-# Specifically, the docker config.json is loaded before cli flags (and maybe even IaaS metadata services)
-git apply --ignore-space-change --ignore-whitespace ./hack/patch-k8s-pkg-credentialprovider.patch
-
-git diff --exit-code || {
-  echo 'found changes in the project. when expected none. exiting'
-  exit 1
-}
-
 # makes builds reproducible
 export CGO_ENABLED=0
 LDFLAGS="-X github.com/vmware-tanzu/carvel-imgpkg/pkg/imgpkg/cmd.Version=$VERSION"