postgresql: remove danbst from maintainer list

Thanks a lot for all your work! If you ever come back to nixpkgs, feel
free to revert the commit, your return would be welcomed!

pkgs/servers/sql/postgresql/generic.nix

@@ -320,7 +320,7 @@ let
       description = "Powerful, open source object-relational database system";
       license     = licenses.postgresql;
       changelog   = "https://www.postgresql.org/docs/release/${finalAttrs.version}/";
-      maintainers = with maintainers; [ danbst globin ivan ] ++ teams.postgres.members;
+      maintainers = with maintainers; [ globin ivan ] ++ teams.postgres.members;
       pkgConfigModules = [ "libecpg" "libecpg_compat" "libpgtypes" "libpq" ];
       platforms   = platforms.unix;