Disable schedule jobs using expanded matrix

Author: sunmou99

.github/workflows/integration_tests.yml

@@ -191,7 +191,7 @@ jobs:
           fetch-depth: 0
           submodules: false
       - name: Use expanded matrix
-        if: github.event_name == 'schedule' || github.event.inputs.use_expanded_matrix == '1' || needs.check_trigger.outputs.requested_tests == 'full'
+        if: github.event.inputs.use_expanded_matrix == '1' || needs.check_trigger.outputs.requested_tests == 'full'
         run: |
           echo "EXPANDED_MATRIX_PARAM=-e=1" >> $GITHUB_ENV
       - name: Set auto-diff option if specified.