Remove sanity check from integration test workflow

Author: sunmou99

.github/workflows/integration_tests.yml

@@ -4,7 +4,7 @@ on:
  schedule:
  - cron: "0 9 * * *" # 9am UTC = 1am PST / 2am PDT
  pull_request:
- types: [ labeled, closed, opened, reopened, synchronize ]
+ types: [ labeled, closed ]
 
  workflow_dispatch:
  inputs:
@@ -72,7 +72,7 @@ jobs:
  env:
  GITHUB_TOKEN: ${{ github.token }}
  ### It sets "github_ref,trigger,pr_number,requested_tests" outputs to control the following jobs and steps
- ### trigger value: manual_trigger, scheduled_trigger, label_trigger, postsubmit_trigger, presubmit_trigger
+ ### trigger value: manual_trigger, scheduled_trigger, label_trigger, postsubmit_trigger
  - id: set_outputs
  run: |
  if [[ "${{ github.event_name }}" == "workflow_dispatch" ]]; then 
@@ -118,9 +118,6 @@ jobs:
  echo "::set-output name=trigger::postsubmit_trigger"
  echo "::set-output name=pr_number::${{ github.event.pull_request.number }}"
  echo "::set-output name=requested_tests::auto"
- elif [[ "opened,reopened,synchronize" == *"${{ github.event.action }}"* ]]; then
- echo "::set-output name=trigger::presubmit_trigger"
- echo "::set-output name=requested_tests::minimal"
  fi
  fi
  ### If it's not a defined trigger, cancel workflow
@@ -134,7 +131,7 @@ jobs:
  sleep 300
  exit 1 # fail out if the cancellation above somehow failed.
  - name: Cancel previous runs on the same PR
- if: steps.set_outputs.outputs.trigger == 'presubmit_trigger' 
+ if: steps.set_outputs.outputs.trigger == 'label_trigger' 
  uses: styfle/cancel-workflow-action@0.8.0
  with:
  access_token: ${{ github.token }}
@@ -238,12 +235,6 @@ jobs:
  with:
  path: external/vcpkg/installed
  key: dev-vcpkg-${{ env.VCPKG_TRIPLET }}-${{ hashFiles(format('{0}', env.VCPKG_RESPONSE_FILE)) }}-${{ hashFiles('.git/modules/external/vcpkg/HEAD') }}
- - name: Cache ccache files
- if: needs.check_and_prepare.outputs.trigger == 'presubmit_trigger'
- uses: actions/cache@v2
- with:
- path: ccache_dir
- key: presubmit-integration-test-ccache
  - name: Setup python
  uses: actions/setup-python@v2
  with: