Update apple_m.yml

Author: martin-frbg

.github/workflows/apple_m.yml

@@ -157,20 +157,7 @@ jobs:
           esac
 
           
-name: xbuild-x86_64
-
-on: [push, pull_request]
-
-concurrency:
-  group: ${{ github.workflow }}-${{ github.head_ref || github.run_id }}
-  cancel-in-progress: true
-
-permissions:
-  contents: read # to fetch code (actions/checkout)
-
-jobs:
-  build:
-    if: "github.repository == 'OpenMathLib/OpenBLAS'"
+  xbuild:
     runs-on: macos-14
 
     strategy: