Removed bundle, it's not working

.gitlab-ci.yml

 image: ruby:2
 
-# Cache gems in between builds
-cache:
-  key: ${CI_COMMIT_REF_SLUG}
-  paths:
-    - vendor/ruby
-
-
 stages:
   - triage
 
-
 before_script:
-  - ruby -v
-  - bundle install --path vendor
+  - gem installgitlab-triage
 
 dry-run:triage:
   stage: triage
   script:
-    - bundle exec gitlab-triage --help
-    - bundle exec gitlab-triage --dry-run --token $API_TOKEN --source group --source-id funkwhale --host-url https://dev.funkwhale.audio
+    - gitlab-triage --help
+    - gitlab-triage --dry-run --token $API_TOKEN --source group --source-id funkwhale --host-url https://dev.funkwhale.audio
   when: manual
   except:
     - schedules
@@ -27,6 +18,6 @@ dry-run:triage:
 run:triage:
   stage: triage
   script:
-    - bundle exec gitlab-triage --token $API_TOKEN --source group --source-id funkwhale --host-url https://dev.funkwhale.audio
+    - gitlab-triage --token $API_TOKEN --source group --source-id funkwhale --host-url https://dev.funkwhale.audio
   only:
     - schedules

Gemfile

-
-gem "gitlab-triage", "~> 1.0"

Gemfile.lock

-GEM
-  specs:
-    activesupport (5.2.3)
-      concurrent-ruby (~> 1.0, >= 1.0.2)
-      i18n (>= 0.7, < 2)
-      minitest (~> 5.1)
-      tzinfo (~> 1.1)
-    concurrent-ruby (1.1.5)
-    gitlab-triage (1.0.1)
-      activesupport (~> 5.1)
-      httparty (~> 0.15)
-    httparty (0.17.0)
-      mime-types (~> 3.0)
-      multi_xml (>= 0.5.2)
-    i18n (0.9.5)
-      concurrent-ruby (~> 1.0)
-    mime-types (3.2.2)
-      mime-types-data (~> 3.2015)
-    mime-types-data (3.2019.0331)
-    minitest (5.11.3)
-    multi_xml (0.6.0)
-    thread_safe (0.3.6)
-    tzinfo (1.2.5)
-      thread_safe (~> 0.1)
-
-PLATFORMS
-  ruby
-
-DEPENDENCIES
-  gitlab-triage (~> 1.0)
-
-BUNDLED WITH
-   2.0.1