Support integ test with security plugin enabled

Removed a docker-compose.yml file which wasn't being used.

Signed-off-by: Rushi Agrawal <[email protected]>

.github/workflows/integration.yml

@@ -3,16 +3,17 @@ name: Integration tests
 on: [push, pull_request]
 
 jobs:
-  assemble:
-    name: Assemble
+  integration:
+    name: Integ
     runs-on: ubuntu-latest
     strategy:
       fail-fast: false
       matrix:
         cluster: ["opendistro", "opensearch"]
+        secured: ["true", "false"]
 
     steps:
       - name: Checkout
         uses: actions/checkout@v2
-      - run: "./.ci/run-tests ${{ matrix.cluster }} "
-        name: Integ ${{ matrix.cluster }}
+      - run: "./.ci/run-tests ${{ matrix.cluster }} ${{ matrix.secured }}"
+        name: Integ ${{ matrix.stack_version }} ${{ matrix.cluster }} secured=${{ matrix.secured }}