Remove oci tests from ci

Not necessary since Nextcloud doesn't support OCI DB

.github/workflows/ci.yml

@@ -204,65 +204,3 @@ jobs:
       - name: PHPUnit
         working-directory: apps/${{ env.APP_NAME }}
         run: phpunit -c tests/phpunit.xml
-
-  oci:
-    runs-on: ubuntu-latest
-
-    strategy:
-      # do not stop on another job's failure
-      fail-fast: false
-      matrix:
-        php-versions: ['7.4']
-        databases: ['oci']
-        server-versions: ['stable21', 'stable22', 'stable23', 'stable24']
-
-    name: php${{ matrix.php-versions }}-${{ matrix.databases }}-${{ matrix.server-versions }}
-
-    services:
-      oracle:
-        image: deepdiver/docker-oracle-xe-11g
-        ports:
-          - "1521:1521"
-
-    steps:
-      - name: Checkout server
-        uses: actions/checkout@v2
-        with:
-          repository: nextcloud/server
-          ref: ${{ matrix.server-versions }}
-
-      - name: Checkout submodules
-        shell: bash
-        run: |
-          auth_header="$(git config --local --get http.https://github.com/.extraheader)"
-          git submodule sync --recursive
-          git -c "http.extraheader=$auth_header" -c protocol.version=2 submodule update --init --force --recursive --depth=1
-
-      - name: Checkout app
-        uses: actions/checkout@v2
-        with:
-          path: apps/${{ env.APP_NAME }}
-
-      - name: Set up php ${{ matrix.php-versions }}
-        uses: "shivammathur/setup-php@v2"
-        with:
-          php-version: "${{ matrix.php-versions }}"
-          extensions: mbstring, iconv, fileinfo, intl, oci8
-          tools: phpunit:8.5.14
-          coverage: none
-
-      - name: Set up PHPUnit
-        working-directory: apps/${{ env.APP_NAME }}
-        run: composer i
-
-      - name: Set up Nextcloud
-        run: |
-          mkdir data
-          ./occ maintenance:install --verbose --database=oci --database-name=XE --database-host=127.0.0.1 --database-port=1521 --database-user=autotest --database-pass=owncloud --admin-user admin --admin-pass admin
-          php -f index.php
-          ./occ app:enable --force ${{ env.APP_NAME }}
-          php -S localhost:8080 &
-
-      - name: PHPUnit
-        working-directory: apps/${{ env.APP_NAME }}
-        run: phpunit -c tests/phpunit.xml