Removed concurrency group

Author: niklasberglund

.github/workflows/ios-end-to-end-tests.yml

@@ -1,8 +1,5 @@
 ---
 name: iOS end-to-end tests
-concurrency:
-  group: ios-end-to-end-tests
-  cancel-in-progress: false
 env:
   JOB_OUTPUTS_DIRECTORY: ${{ github.workspace }}/job-outputs-${{ github.run_id }}
   TEST_DEVICE_UDID: 00008130-0019181022F3803A