MAINTAINERS: remove Wolfgang Denk

Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
diff --git a/MAINTAINERS b/MAINTAINERS
index 84de9de..17309e2 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -1015,7 +1015,6 @@
 
 ENVIRONMENT
 M:	Joe Hershberger <joe.hershberger@ni.com>
-R:	Wolfgang Denk <wd@denx.de>
 S:	Maintained
 F:	env/
 F:	include/env*
@@ -1025,7 +1024,6 @@
 
 ENVIRONMENT AS TEXT
 M:	Simon Glass <sjg@chromium.org>
-R:	Wolfgang Denk <wd@denx.de>
 S:	Maintained
 F:	doc/usage/environment.rst
 F:	scripts/env2string.awk
@@ -1343,8 +1341,7 @@
 F:	include/power/
 
 POWERPC
-M:	Wolfgang Denk <wd@denx.de>
-S:	Maintained
+S:	Orphan (Since 2022-10-21)
 F:	arch/powerpc/
 
 POWERPC MPC8XX