Remove Gusted as Gitea maintainer (#21676)

MAINTAINERS

@@ -44,7 +44,6 @@ Janis Estelmann <admin@oldschoolhack.me> (@KN4CK3R)
 Steven Kriegler <sk.bunsenbrenner@gmail.com> (@justusbunsi)
 Jimmy Praet <jimmy.praet@telenet.be> (@jpraet)
 Leon Hofmeister <dev.lh@web.de> (@delvh) 
-Gusted <williamzijl7@hotmail.com) (@Gusted)
 silentcode <silentcode@senga.org> (@silentcodeg)
 Wim <wim@42.be> (@42wim)
 xinyu <xinyu@nerv.org.cn> (@penlinux)