treewide: remove ma27 from a few packages

A bunch of stuff accumulated again that I stopped using. Removing myself
as maintainer since it doesn't make sense to keep that status.

nixos/tests/grocy.nix

@@ -4,7 +4,6 @@
   meta = with pkgs.lib.maintainers; {
     maintainers = [
       diogotcorreia
-      ma27
     ];
   };
 

pkgs/by-name/em/empty-epsilon/package.nix

@@ -106,7 +106,6 @@ stdenv.mkDerivation {
     license = lib.licenses.gpl2Plus;
     maintainers = with lib.maintainers; [
       fpletz
-      ma27
     ];
     platforms = lib.platforms.linux;
   };

pkgs/development/python-modules/mautrix/default.nix

@@ -79,7 +79,6 @@ buildPythonPackage rec {
     license = lib.licenses.mpl20;
     maintainers = with lib.maintainers; [
       nyanloutre
-      ma27
       sumnerevans
       nickcao
     ];

pkgs/os-specific/linux/wpa_supplicant/default.nix

@@ -177,7 +177,6 @@ stdenv.mkDerivation rec {
     license = lib.licenses.bsd3;
     maintainers = with lib.maintainers; [
       marcweber
-      ma27
     ];
     platforms = lib.platforms.linux;
   };

pkgs/servers/mautrix-telegram/default.nix

@@ -86,7 +86,6 @@ python.pkgs.buildPythonPackage rec {
     platforms = lib.platforms.linux;
     maintainers = with lib.maintainers; [
       nyanloutre
-      ma27
       nickcao
     ];
     mainProgram = "mautrix-telegram";

pkgs/tools/security/pass/default.nix

@@ -198,7 +198,6 @@ stdenv.mkDerivation rec {
       fpletz
       tadfisher
       globin
-      ma27
       ryan4yin
     ];
     platforms = lib.platforms.unix;