python3Packages.slack-sdk: remove error message variations for "no internet connection"

pkgs/development/python-modules/slack-sdk/default.nix

@@ -51,15 +51,11 @@ buildPythonPackage rec {
   disabledTests = [
     # Requires internet access (to slack API)
     "test_start_raises_an_error_if_rtm_ws_url_is_not_returned"
-    # Requires network access: [Errno 111] Connection refused
     "test_send_message_while_disconnection"
-    # [Errno 61] Connection refused
     "TestWebClient_HttpRetry"
-    # ConnectionResetError: [Errno 54] Connection reset by peer
     "test_issue_690_oauth_access"
     "test_issue_690_oauth_v2_access"
     "test_error_response"
-    # Assertion Error: unexpectedly None (while accessing instance of slack store)
     "test_issue_1441_mixing_user_and_bot_installations"
   ];