Revert "chore(ci): allow accepting runs from a fork"

.github/workflows/tests.yml

@@ -4,10 +4,8 @@ on:
   push:
     branches:
       - main
+      - master
   pull_request:
-    types: [opened, synchronize]
-  pull_request_target:
-    types: [opened, synchronize]
 
 concurrency:
   group: terraform-google-artifact-registry-repository
@@ -76,30 +74,12 @@ jobs:
     runs-on: ubuntu-latest
     name: Unit Tests
     steps:
-      - name: Get User Permission
-        id: checkAccess
-        uses: actions-cool/check-user-permission@956b2e73cdfe3bcb819bb7225e490cb3b18fd76e # v2.2.1
-        with:
-          require: write
-          username: ${{ github.triggering_actor }}
-        env:
-          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-
-      - name: Check User Permission
-        if: steps.checkAccess.outputs.require-result == 'false'
-        run: |
-          echo "${{ github.triggering_actor }} does not have permissions on this repo."
-          echo "Current permission level is ${{ steps.checkAccess.outputs.user-permission }}"
-          echo "Job originally triggered by ${{ github.actor }}"
-          exit 1
-
       - name: Checkout
         # for security reasons we pin commit ids and not tags.
         # actions/[email protected] -> 2541b1294d2704b0964813337f33b291d3f8596b
         uses: actions/checkout@2541b1294d2704b0964813337f33b291d3f8596b
         with:
           fetch-depth: 0
-          ref: ${{  github.event.pull_request.head.sha }}
 
       # - name: Setup SSH to Private Modules
       #   # for security reasons we pin commit ids and not tags.