run-python-test-set: remove needs_postgres_source input

.github/actions/run-python-test-set/action.yml

@@ -12,10 +12,6 @@ inputs:
     description: 'Arbitrary parameters to pytest. For example "-s" to prevent capturing stdout/stderr'
     required: false
     default: ''
-  needs_postgres_source:
-    description: 'Set to true if the test suite requires postgres source checked out'
-    required: false
-    default: 'false'
   run_in_parallel:
     description: 'Whether to run tests in parallel'
     required: false
@@ -84,12 +80,6 @@ runs:
         skip-if-does-not-exist: true
         aws-oicd-role-arn: ${{ inputs.aws-oicd-role-arn }}
 
-    - name: Checkout
-      if: inputs.needs_postgres_source == 'true'
-      uses: actions/checkout@v4
-      with:
-        submodules: true
-
     - name: Cache poetry deps
       uses: actions/cache@v4
       with:

.github/workflows/_build-and-test-locally.yml

@@ -307,7 +307,6 @@ jobs:
         with:
           build_type: ${{ inputs.build-type }}
           test_selection: regress
-          needs_postgres_source: true
           run_with_real_s3: true
           real_s3_bucket: neon-github-ci-tests
           real_s3_region: eu-central-1