maintainers: drop callahad

Signed-off-by: Marcin Serwin <marcin@serwin.dev>

maintainers/maintainer-list.nix

@@ -4377,12 +4377,6 @@
     githubId = 1516457;
     name = "Christian Albrecht";
   };
-  callahad = {
-    email = "dan.callahan@gmail.com";
-    github = "callahad";
-    githubId = 24193;
-    name = "Dan Callahan";
-  };
   callumio = {
     email = "git@cleslie.uk";
     github = "callumio";

pkgs/by-name/bo/bolt/package.nix

@@ -100,7 +100,7 @@ stdenv.mkDerivation (finalAttrs: {
     mainProgram = "boltctl";
     homepage = "https://gitlab.freedesktop.org/bolt/bolt";
     license = lib.licenses.lgpl21Plus;
-    maintainers = with lib.maintainers; [ callahad ];
+    maintainers = [ ];
     platforms = lib.platforms.linux;
   };
 })

pkgs/by-name/ds/dsseries/package.nix

@@ -54,6 +54,6 @@ stdenv.mkDerivation rec {
     platforms = lib.platforms.linux;
     sourceProvenance = with lib.sourceTypes; [ binaryNativeCode ];
     license = lib.licenses.unfree;
-    maintainers = with lib.maintainers; [ callahad ];
+    maintainers = [ ];
   };
 }

pkgs/by-name/no/noson/package.nix

@@ -51,6 +51,6 @@ stdenv.mkDerivation (finalAttrs: {
     mainProgram = "noson-app";
     platforms = with lib.platforms; linux ++ darwin;
     license = lib.licenses.gpl3Only;
-    maintainers = with lib.maintainers; [ callahad ];
+    maintainers = [ ];
   };
 })

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

@@ -73,7 +73,7 @@ buildPythonPackage rec {
     description = "Mock D-Bus objects for tests";
     homepage = "https://github.com/martinpitt/python-dbusmock";
     license = lib.licenses.lgpl3Plus;
-    maintainers = with lib.maintainers; [ callahad ];
+    maintainers = [ ];
     platforms = lib.platforms.linux;
   };
 }