remove verify

.gitlab-ci.yml

 image: node:10.14.2-stretch
-stages: [setup, verify, deploy]
+stages: [setup, deploy]
 install:
   stage: setup
   cache:
@@ -8,19 +8,14 @@ install:
   script:
   - &npm_install
     npm install --quiet --no-progress --cache=.cache/npm
-lint:
-  stage: verify
-  cache: &pull_cache
-    policy: pull
-    paths:
-    - .cache/npm
-  script:
-  - *npm_install
 bundle-stable:
   stage: deploy
   only:
   - master@test/antora-ui
-  cache:  &pull_cache
+  cache: &pull_cache
+    policy: pull
+    paths:
+    - .cache/npm
   script:
   - *npm_install
   - node_modules/.bin/gulp bundle