refact to remove conditional nesting

.circleci/config/jobs/website-docker-image.yml

@@ -11,16 +11,16 @@ steps:
         # of a previous version, for example if packge-lock.json is reverted, we need to manually push the new
         # image to the "latest" tag
         # Ignore job if running an enterprise build
-        if ! [ "$NOMAD_ENT_BUILD" = "true" ]; then
-          IMAGE_TAG=$(cat website/Dockerfile website/package-lock.json | sha256sum | awk '{print $1;}')
-          echo "Using $IMAGE_TAG"
-          if ! curl https://hub.docker.com/v2/repositories/hashicorp/nomad-website/tags/$IMAGE_TAG -fsL > /dev/null; then
+        IMAGE_TAG=$(cat website/Dockerfile website/package-lock.json | sha256sum | awk '{print $1;}')
+        echo "Using $IMAGE_TAG"
+        if  [ "$CIRCLE_REPOSITORY_URL" != "git@github.com:hashicorp/nomad" ]; then
+          echo "Not Nomad OSS Repo, not building website docker image"
+        elif curl https://hub.docker.com/v2/repositories/hashicorp/nomad-website/tags/$IMAGE_TAG -fsL > /dev/null; then
+            echo "Dependencies have not changed, not building a new website docker image."
+        else
             cd website/
             docker build -t hashicorp/nomad-website:$IMAGE_TAG .
             docker tag hashicorp/nomad-website:$IMAGE_TAG hashicorp/nomad-website:latest
             docker login -u $WEBSITE_DOCKER_USER -p $WEBSITE_DOCKER_PASS
             docker push hashicorp/nomad-website
-          else
-            echo "Dependencies have not changed, not building a new website docker image."
-          fi
         fi