fix: remove duplicate detect_urls parameter and add to coder initialization

aider/coders/base_coder.py

@@ -269,7 +269,6 @@ class Coder:
         suggest_shell_commands=True,
         chat_language=None,
         detect_urls=True,
-        detect_urls=True,
     ):
         # Fill in a dummy Analytics if needed, but it is never .enable()'d
         self.analytics = analytics if analytics is not None else Analytics()

aider/main.py

@@ -751,6 +751,7 @@ def main(argv=None, input=None, output=None, force_git_root=None, return_coder=F
             num_cache_warming_pings=args.cache_keepalive_pings,
             suggest_shell_commands=args.suggest_shell_commands,
             chat_language=args.chat_language,
+            detect_urls=args.detect_urls,
         )
     except ValueError as err:
         io.tool_error(str(err))