switch some flake inputs from specialArgs to host imports

modules/desktop/flatpak.nix

@@ -1,9 +1,4 @@
-{ nix-flatpak, ... }:
 {
-  imports = [
-    nix-flatpak.nixosModules.nix-flatpak
-  ];
-
   services.flatpak.remotes = [
     {
       name = "cloudredirect";

modules/desktop/xremap.nix

@@ -1,9 +1,4 @@
-{ xremap-flake, ... }:
 {
-  imports = [
-    xremap-flake.nixosModules.default
-  ];
-
   services.xremap.enable = true;
   services.xremap.withHypr = true;