nix: link with Mold for all Linux platforms

Signed-off-by: NotAShelf <raf@notashelf.dev>
Change-Id: Ibed900b7d587278223e6150332aac1dd6a6a6964

Author: NotAShelf

nix/package.nix

@@ -4,7 +4,7 @@
   stdenvAdapters,
   rustPlatform,
   llvm,
-  useMold ? stdenv.isLinux && !stdenv.hostPlatform.isAarch,
+  useMold ? stdenv.isLinux,
 }: let
   toml = (lib.importTOML ../Cargo.toml).package;
   pname = toml.name;