Remove Nginx from monitoring_role

No longer required after Grafana removal

Changelog: removed

Author: gygitlab

files/gitlab-cookbooks/package/libraries/config/services.rb

@@ -30,7 +30,7 @@ class BaseServices < ::Services::Config
     service 'redis',              groups: [DEFAULT_GROUP, 'redis', 'redis_node']
     service 'redis_exporter',     groups: [DEFAULT_GROUP, 'redis', 'redis_node', 'monitoring']
     service 'postgresql',         groups: [DEFAULT_GROUP, 'postgres', 'postgres_role', 'patroni_role']
-    service 'nginx',              groups: [DEFAULT_GROUP, 'pages_role', 'monitoring_role']
+    service 'nginx',              groups: [DEFAULT_GROUP, 'pages_role']
     service 'prometheus',         groups: [DEFAULT_GROUP, 'monitoring', 'monitoring_role']
     service 'alertmanager',       groups: [DEFAULT_GROUP, 'monitoring', 'monitoring_role']
     service 'postgres_exporter',  groups: [DEFAULT_GROUP, 'monitoring', 'postgres', 'postgres_role', 'patroni_role']