Cleans up job finder

app/finders/ci/jobs_finder.rb

@@ -49,7 +49,7 @@ module Ci
     end
 
     def filter_by_scope(builds)
-      return filter_by_statuses!(params[:scope], builds) if params[:scope].is_a?(Array)
+      return filter_by_statuses!(builds) if params[:scope].is_a?(Array)
 
       case params[:scope]
       when 'pending'
@@ -63,7 +63,7 @@ module Ci
       end
     end
 
-    def filter_by_statuses!(statuses, builds)
+    def filter_by_statuses!(builds)
       unknown_statuses = params[:scope] - ::CommitStatus::AVAILABLE_STATUSES
       raise ArgumentError, 'Scope contains invalid value(s)' unless unknown_statuses.empty?