pixi: remove aaronjheng from maintainers (#397920)

Author: Aleksanaa

pkgs/by-name/pi/pixi/package.nix

@@ -70,7 +70,6 @@ rustPlatform.buildRustPackage (finalAttrs: {
     changelog = "https://pixi.sh/latest/CHANGELOG";
     license = lib.licenses.bsd3;
     maintainers = with lib.maintainers; [
-      aaronjheng
       edmundmiller
       xiaoxiangmoe
     ];