Remove `:graphql` feature flag

- Remove `FeatureConstrainer` call wrapping api endpoint
- Remove `Feature.enabled?(:graphql)` conditionals in back and frontend
- Modify graphql test to be graphql flag agnostic
- Remove api routing spec
- Remove frontend feature flag via `gon`

2 files changed, 0 insertions, 6 deletions

diff --git a/lib/api/helpers/graphql_helpers.rb b/lib/api/helpers/graphql_helpers.rb
index 94010ab1bc2..bd60470fbd6 100644
--- a/lib/api/helpers/graphql_helpers.rb
+++ b/lib/api/helpers/graphql_helpers.rb
@@ -7,8 +7,6 @@ module API
     # should be in app/graphql/ or lib/gitlab/graphql/
     module GraphqlHelpers
       def conditionally_graphql!(fallback:, query:, context: {}, transform: nil)
-        return fallback.call unless Feature.enabled?(:graphql)
-
         result = GitlabSchema.execute(query, context: context)
 
         if transform
diff --git a/lib/gitlab/graphql.rb b/lib/gitlab/graphql.rb
index 8a59e83974f..74c04e5380e 100644
--- a/lib/gitlab/graphql.rb
+++ b/lib/gitlab/graphql.rb
@@ -3,9 +3,5 @@
 module Gitlab
   module Graphql
     StandardGraphqlError = Class.new(StandardError)
-
-    def self.enabled?
-      Feature.enabled?(:graphql, default_enabled: true)
-    end
   end
 end