Kernel: Remove declarations for non-existent methods

Author: https://github.com/AtkinsSJ
Commit: 3cbc0fdbb0
Pull-request: https://github.com/SerenityOS/serenity/pull/17203
Reviewed-by: https://github.com/linusg ✅

Kernel/Bus/USB/USBHub.h

@@ -90,8 +90,6 @@ public:
     ErrorOr<void> clear_port_feature(u8, HubFeatureSelector);
     ErrorOr<void> set_port_feature(u8, HubFeatureSelector);
 
-    ErrorOr<void> reset_port(u8);
-
     void check_for_port_updates();
 
 private: