MAINTAINERS: Remove Felix Singer

I haven't worked on flashrom in the last months and I'm also not
planning to continue working on it again. So I'm removing myself from
the maintainers file since I'm not maintaining anymore.

Items, which become unmaintained, are removed.

Change-Id: I33903c4e38a24e6bf3cb233d28b297d1fa3716a9
Signed-off-by: Felix Singer <felixsinger@posteo.net>
Reviewed-on: https://review.coreboot.org/c/flashrom/+/74274
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
---
M MAINTAINERS
1 file changed, 18 insertions(+), 11 deletions(-)

diff --git a/MAINTAINERS b/MAINTAINERS
index 294597c..e66b08d 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -114,7 +114,6 @@
 ################################################################################
 
 MAINTAINERS
-M:	Felix Singer <felixsinger@posteo.net>
 M:	Anastasia Klimchuk <aklm@chromium.org>
 S:	Maintained
 F:	MAINTAINERS
@@ -184,17 +183,7 @@
 S:	Maintained
 F:	util/flashrom.bash-completion.tmpl
 
-TEST BUILD SCRIPT
-M:	Felix Singer <felixsinger@posteo.net>
-S:	Supported
-F:	test_build.sh
-
 FLASHROM TESTER
 R:	Evan Benn <evanbenn@gmail.com>
 S:	Supported
 F:	util/flashrom_tester/
-
-NIX SHELL
-M:	Felix Singer <felixsinger@posteo.net>
-S:	Maintained
-F:	util/shell.nix

