Revert "Return a meaningful message if we hit the rate-limiter of GitHub"

hack/install_kustomize.sh

@@ -102,14 +102,7 @@ elif [[ "$OSTYPE" == darwin* ]]; then
   opsys=darwin
 fi
 
-releases=$(curl -s $release_url)
-
-if [[ $releases == *"API rate limit exceeded"* ]]; then
-  echo "Github rate-limiter failed the request. Either authenticate or wait a couple of minutes."
-  exit 1
-fi
-
-RELEASE_URL=$(echo $releases |\
+RELEASE_URL=$(curl -s $release_url |\
   grep browser_download.*${opsys}_${arch} |\
   cut -d '"' -f 4 |\
   sort -V | tail -n 1)