fix PR build ci

Author: jjw24

.github/workflows/build.yml

@@ -2,9 +2,6 @@ name: Build
 
 on:
   push:
-    branches: [ $default-branch ]
-  pull_request:
-    branches: [ $default-branch ]
 
 jobs:
   build:
@@ -21,9 +18,4 @@ jobs:
       run: dotnet restore
     - name: Build
       run: dotnet build --no-restore -c Release
-    - name: Upload Artifact
-      uses: actions/upload-artifact@v2
-      with:
-        name: Flow.Launcher.Plugin.Everything
-        path: Output/Release/Flow.Launcher.Plugin.Everything