Removed drone support

.drone.yml

@@ -1,18 +0,0 @@
-kind: pipeline
-type: exec
-name: default
-
-steps:
-  - name: deploy
-    environment:
-      HOST:
-        from_secret: host
-      EMAIL:
-        from_secret: email
-      CONTAINERNAME: mainpage_new
-    commands:
-      - docker build ${DRONE_GIT_HTTP_URL} --tag ${DRONE_REPO}
-      - docker container stop $CONTAINERNAME
-      - docker container rm $CONTAINERNAME_backup
-      - docker container rename $CONTAINERNAME $CONTAINERNAME_backup
-      - docker run --detach --name mainpage_new --net nginx-proxy --env "VIRTUAL_HOST=$HOST,www.$HOST" --env "VIRTUAL_PORT=3000" --env "LETSENCRYPT_HOST=$HOST,www.$HOST" --env "LETSENCRYPT_EMAIL=$EMAIL" ${DRONE_REPO}