chore: remove external PR reference from comment

Author: seuros

lib/active_project/adapters/fizzy/issues.rb

@@ -197,7 +197,7 @@ def map_card_data(card_data, board_id)
         end
 
         def determine_card_status(card_data, board_id)
-          # Check for closed status (added in Fizzy PR #2105)
+          # Check for closed status
           return :closed if card_data["closed"] == true
 
           # Check for not_now status