chore(CI): Remove git-sumi workflow

.forgejo/workflows/git-sumi.yml

@@ -1,29 +0,0 @@
-name: Check PR title
-
-on:
-  pull_request:
-    types:
-      - opened
-      - edited
-      - reopened
-
-jobs:
-  check_pr_title:
-    runs-on: debian
-    steps:
-      - uses: https://code.forgejo.org/actions/checkout@v4
-      - name: Install git-sumi
-        run: |
-          curl -s -L "https://github.com/welpo/git-sumi/releases/download/v0.0.6/git-sumi-x86_64-unknown-linux-gnu.tar.xz" -o git-sumi.tar.xz
-          tar -xf git-sumi.tar.xz
-          mv git-sumi-x86_64-unknown-linux-gnu/git-sumi git-sumi
-          chmod +x git-sumi
-      - name: Run git-sumi
-        run: |
-          # Check if the PR are WIP or not (Start with WIP: or wip:)
-          IS_WIP=$(echo ${{ github.event.pull_request.title }} | grep -i "^WIP:" | wc -l)
-          if [ $IS_WIP -eq 1 ]; then
-            echo "Is Work In Progress PR"
-            exit 0
-          fi
-          ./git-sumi "${{ github.event.pull_request.title }}"