remove install pro and add protection to single image build to fail off master

.github/workflows/deploy-single-image.yml

@@ -4,7 +4,7 @@ on:
   workflow_dispatch:
 
 env:
-  BASE_BRANCH: ${{ github.event.pull_request.base.ref}}
+  BASE_BRANCH: ${{ github.event.pull_request.base.ref }}
   BRANCH: ${{ github.event.pull_request.head.ref }}
   CI: true
   PERSONAL_ACCESS_TOKEN : ${{ secrets.PERSONAL_ACCESS_TOKEN }}
@@ -17,6 +17,11 @@ jobs:
       matrix:
         node-version: [14.x]
     steps:
+      - name: Fail if branch is not master
+        if: github.ref != 'refs/heads/master'
+        run: | 
+          echo "Ref is not master, you must run this job from master."
+          exit 1
       - name: "Checkout"
         uses: actions/checkout@v2
       - name: Use Node.js ${{ matrix.node-version }}
@@ -28,8 +33,6 @@ jobs:
       - name: Setup Docker Buildx
         id: buildx
         uses: docker/setup-buildx-action@v1
-      - name: Install Pro
-        run: yarn install:pro $BRANCH $BASE_BRANCH
       - name: Run Yarn
         run: yarn
       - name: Run Yarn Bootstrap

.github/workflows/release-selfhost.yml

@@ -54,9 +54,6 @@ jobs:
           DOCKER_PASSWORD: ${{ secrets.DOCKER_API_KEY }}
           SELFHOST_TAG: latest
 
-      - name: Install Pro
-        run: yarn install:pro $BRANCH $BASE_BRANCH
-
       - name: Bootstrap and build (CLI)
         run: |
           yarn