maintainers: removing astsmtl

Inactive for a few years.

Author: mdaniels5757

maintainers/maintainer-list.nix

@@ -2328,12 +2328,6 @@
     githubId = 119769817;
     name = "goatastronaut0212";
   };
-  astsmtl = {
-    email = "[email protected]";
-    github = "astsmtl";
-    githubId = 2093941;
-    name = "Alexander Tsamutali";
-  };
   asymmetric = {
     email = "[email protected]";
     github = "asymmetric";