Remove self from MAINTAINERS (#14286)

My time is limited and given recent developments, I don't think i want to dedicate any more of my time to this project.

Author: CirnoT

MAINTAINERS

@@ -36,7 +36,6 @@ Mura Li <typeless@ctli.io> (@typeless)
 6543 <6543@obermui.de> (@6543)
 jaqra <jaqra@hotmail.com> (@jaqra)
 David Svantesson <davidsvantesson@gmail.com> (@davidsvantesson)
-CirnoT <gitea.m@i32.pl> (@CirnoT)
 a1012112796 <1012112796@qq.com> (@a1012112796)
 Karl Heinz Marbaise <kama@soebes.de> (@khmarbaise)
 Norwin Roosen <git@nroo.de> (@noerw)