test: Use latest version of app_api

Signed-off-by: Marcel Klehr <mklehr@gmx.net>

Author: marcelklehr

.github/workflows/integration_test.yml

@@ -95,14 +95,6 @@ jobs:
           filename: ${{ env.APP_NAME }}/appinfo/info.xml
           expression: "/info/version/text()"
 
-      - name: Checkout AppAPI
-        uses: actions/checkout@v4
-        if: ${{ matrix.server-versions == 'stable30' }}
-        with:
-          repository: cloud-py-api/app_api
-          path: apps/app_api
-          ref: v3.2.1
-
       - name: Set up Nextcloud
         if: ${{ matrix.databases != 'pgsql'}}
         run: |