remove CI hack to include version into manifest.json (now generated on each build automatically)

.github/workflows/workflow.yml

@@ -25,10 +25,6 @@ jobs:
           cache: yarn
       - name: Install dependencies
         run: yarn install --immutable --network-timeout=300000
-      - name: Set version into manifest.json
-        run: |
-          TAG=$(git describe --tags --abbrev=0 || echo "latest")
-          sed -i "s|\"icons\"|\"version\": \"$TAG\",\\n  \"icons\"|g" public/manifest.json
       - name: Build
         run: yarn build --base=${{ env.base_path }}
       - uses: actions/upload-artifact@v4