remove fields that are no longer used

Author: zeitlinger

docker/docker-compose-aspnetcore/oats-template.yml

@@ -3,12 +3,10 @@ oats-template: true
 matrix:
   - name: default
     docker-compose:
-      generator: docker-lgtm
       files:
         - ./docker-compose.oats.yml
   - name: self-contained
     docker-compose:
-      generator: docker-lgtm
       files:
         - ./docker-compose.self-contained.oats.yml
 interval: 500ms