wesnoth_addon_manager: removed unused --color switch

changelog.md

@@ -20,6 +20,7 @@
  ### Miscellaneous and Bug Fixes
    * The replay viewer now also replays victory/defeat events properly #4667, #6180
    * Fixes undo stack getting corrupted by reloading #7253
+   * Removed unused `--color` switch from wesnoth_addon_manager
 
 ## Version 1.17.14
  ### Campaigns

data/tools/wesnoth_addon_manager

@@ -43,9 +43,6 @@ if __name__ == "__main__":
     argumentparser.add_argument("-w", "--wml",
         help="when listing add-ons, list the raw wml",
         action="store_true",)
-    argumentparser.add_argument("-C", "--color",
-        help="use colored WML output",
-        action="store_true",)
     argumentparser.add_argument("-c", "--campaigns-dir",
         help="directory where add-ons are stored",
         default=".")