Bugfix: Remove Optimize Icons workflow from develop branch (#1724)

.github/workflows/optimize_icons.yml

@@ -1,21 +0,0 @@
-name: Optimize icons
-on:
-  - pull_request
-permissions: write-all
-
-jobs:
-  optimize:
-    runs-on: ubuntu-latest
-    name: Optimize icons with SVGO
-    steps:
-      - uses: actions/checkout@v3
-
-      - uses: ericcornelissen/svgo-action@v3
-        with:
-          repo-token: ${{ secrets.GITHUB_TOKEN }}
-          svgo-config: ./.github/scripts/svgo.config.js
-          svgo-version: 3
-
-      - uses: stefanzweifel/git-auto-commit-action@v4
-        with:
-          commit_message: Icons optimized by SVGO