Do not build legacy app on release workflow

Author: jonatanklosko

.github/workflows/release.yml

@@ -56,19 +56,6 @@ jobs:
             git push origin $ref_name --force
           fi
 
-  desktop:
-    if: github.repository == 'livebook-dev/livebook'
-    name: "Desktop"
-    runs-on: ubuntu-latest
-    env:
-      GITHUB_TOKEN: ${{ secrets.GH_RELEASE_TOKEN }}
-    steps:
-      - name: Trigger desktop builds
-        run: |
-          if [[ "${{ github.ref_type }}" == "tag" ]]; then
-            gh workflow run -R livebook-dev/livebook_cd build.yml -f ref=${{ github.ref_name }} -f release_name=${{ github.ref_name }}
-          fi
-
   app_next:
     if: github.repository == 'livebook-dev/livebook'
     name: "Desktop (${{ matrix.gui_target }})"