chore: remove unused connect_account action handler

Author: mwbrooks

pydantic-ai/listeners/actions/__init__.py

@@ -2,12 +2,10 @@
 
 from slack_bolt import App
 
-from .account_connection import handle_connect_account
 from .issue_buttons import handle_issue_button
 from .feedback_buttons import handle_feedback_button
 
 
 def register(app: App):
     app.action(re.compile(r"^category_"))(handle_issue_button)
     app.action("feedback")(handle_feedback_button)
-    app.action("connect_account")(handle_connect_account)