Extact FF check into private method for reuse

ee/lib/gitlab/code_owners/file.rb

@@ -43,7 +43,7 @@ module Gitlab
       end
 
       def get_parsed_data
-        if Feature.enabled?(:sectional_codeowners, @project, default_enabled: false)
+        if sectional_codeowners?
           return get_parsed_sectional_data
         end
 
@@ -140,6 +140,10 @@ module Gitlab
 
         ::File.fnmatch?(pattern, path, flags)
       end
+
+      def sectional_codeowners?
+        Feature.enabled?(:sectional_codeowners, @project, default_enabled: false)
+      end
     end
   end
 end