surface-control: remove winterqt from maintainers

pkgs/applications/misc/surface-control/default.nix

···
       "Control various aspects of Microsoft Surface devices on Linux from the Command-Line";
     homepage = "https://github.com/linux-surface/surface-control";
     license = licenses.mit;
-    maintainers = with maintainers; [ winterqt ];
+    maintainers = with maintainers; [ ];
     platforms = platforms.linux;
   };
 }