fix(ci): remove nvm dependency from deploy-ui workflow

The fedora-43 base image now includes nodejs and npm, so the nvm runner
label and Node.js setup step are no longer needed.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

.gitea/workflows/deploy-ui.yml

@@ -10,21 +10,12 @@ on:
 
 jobs:
   build-and-deploy:
-    runs-on:
-      - fedora-43
-      - nvm
+    runs-on: fedora-43
     env:
       RPM_REPO_HOST: oolon.kosherinata.internal
     steps:
       - uses: actions/checkout@v4
 
-      - name: Set up Node.js
-        run: |
-          export NVM_DIR="${HOME}/.nvm"
-          [ -s "${NVM_DIR}/nvm.sh" ] && . "${NVM_DIR}/nvm.sh"
-          nvm install --lts
-          echo "$(dirname "$(nvm which current)")" >> "$GITHUB_PATH"
-
       - name: Install dependencies
         run: |
           cd ui