maintainers: drop duplicated karaolidis from HM

Signed-off-by: Austin Horstman <khaneliman12@gmail.com>

modules/lib/maintainers.nix

@@ -278,12 +278,6 @@
     github = "kalhauge";
     githubId = 1182166;
   };
-  karaolidis = {
-    name = "Nikolaos Karaolidis";
-    email = "nick@karaolidis.com";
-    github = "karaolidis";
-    githubId = 46189100;
-  };
   kmaasrud = {
     name = "Knut Magnus Aasrud";
     email = "km@aasrud.com";

modules/programs/obsidian.nix

@@ -205,7 +205,7 @@ let
   extraFilesSettingsType = with types; nullOr (attrsOf (submodule extraFilesOptions));
 in
 {
-  meta.maintainers = [ lib.hm.maintainers.karaolidis ];
+  meta.maintainers = [ lib.maintainers.karaolidis ];
 
   options.programs.obsidian = {
     enable = mkEnableOption "obsidian";