remove block-master-prs workflow

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

.github/workflows/block-master-prs.yml

@@ -1,16 +0,0 @@
-name: Enforce Develop Branch
-on:
-  pull_request:
-    branches:
-      - master # Triggers only on PRs targeting master
-
-jobs:
-  guard-master:
-    runs-on: ubuntu-latest
-    steps:
-      - name: Check base branch
-        # logic: If the PR is NOT coming from a release or hotfix branch, block it.
-        if: "!startsWith(github.head_ref, 'release/') && !startsWith(github.head_ref, 'hotfix/')"
-        run: |
-          echo "::error::⛔ WRONG BRANCH: You are trying to merge into 'master'. Please change the base branch of this PR to 'develop'."
-          exit 1