[FIX] remove CUDA test on push to master (#485)

CUDA test runner is not always available for energy reasons and should not be requires for all push to master.

Author: rflamary

.github/workflows/build_tests_cuda.yml

@@ -4,9 +4,6 @@ on:
   workflow_dispatch:
   pull_request_review:
     types: [submitted]
-  push:
-    branches:
-      - 'master'  # Set a branch to run CI tests on
 
 jobs:
   linux-cuda: