github-actions: fix ui build workflow (#7522)

package-lock.json is not removed.

Signed-off-by: Abhishek Kumar <[email protected]>

Author: shwstppr

.github/workflows/ui.yml

@@ -47,7 +47,6 @@ jobs:
         run: |
           cd ui
           sudo npm install -g @vue/cli npm-check-updates
-          rm -f package-lock.json
           npm install
           npm run build
           npm run lint