CI: adjust workflow name

Author: hmelder

.github/workflows/weekly.yml

@@ -1,9 +1,6 @@
 name: Libobjc2 Weekly CI
 
 on:
-  # Test
-  pull_request:
-    branches: [ master ]
   # Automatically run the workflow once a week
   schedule:
     - cron: '20 4 * * 1'
@@ -20,7 +17,7 @@ jobs:
         cxxlib: [ "libc++", "libstdc++" ]
       fail-fast: false
     runs-on: ubuntu-latest
-    name: ${{ matrix.os }} ${{ matrix.build-type }} LLVM-${{ matrix.llvm-version }} ${{ matrix.cxxlib }} BlocksRuntime-${{ matrix.blocks-runtime }}
+    name: ${{ matrix.os }} ${{ matrix.build-type }} ${{ matrix.cxxlib }} BlocksRuntime-${{ matrix.blocks-runtime }}
     steps:
       - name: Install LLVM Snapshot 
         run: |