* Change image to correct node14 image

* Remove user commands as those aren't supported here, apparently (https://gitlab.com/gitlab-org/gitlab-runner/-/issues/2750)

npm-audit/nodejs14/npm-audit-nodejs-14-ci.yml

 npm_audit_dependency_check:
-    image: docker-registry.wikimedia.org/nodejs12-devel:0.0.1
+    image: docker-registry.wikimedia.org/releng/node14:0.0.3
     stage: test
     allow_failure: false
     
@@ -7,10 +7,8 @@ npm_audit_dependency_check:
         NPM_AUDIT_OPTIONS: "--moderate=true --skip-dev=true --report=true"
    
     before_script:
-        - user root
         - apt-get update -yqq && apt-get install -yqq git
         - npm install -g audit-ci
-        - user nobody
 
     script:
         - |