revert statix fixes for empty_pattern

empty_pattern forces {...} to be converted to {_}, which breaks
situations where an import is done multiple ways with the same
attributes, and only some of the imported files use those
attributes (ex. systems/<host>/default.nix)

Signed-off-by: ahuston-0 <aliceghuston@gmail.com>

lib/systems.nix

@@ -97,7 +97,7 @@ rec {
   # type:
   # genNonX86 :: AttrSet -> [AttrSet]
   genNonX86 =
-    { _ }:
+    { ... }:
     [
       {
         config.nixpkgs = {