drop duplicate empty template

templates/flake-module.nix

@@ -5,10 +5,6 @@
       description = "Initialize a new clan flake";
       path = ./new-clan;
     };
-    empty = {
-      description = "A empty clan template. Primarily for usage with the clan ui";
-      path = ./empty;
-    };
     default = self.templates.new-clan;
     minimal = {
       description = "for clans managed via (G)UI";