refactor: modularize flake and import nixpkgs

common/default.nix

@@ -23,10 +23,6 @@
     ../modules/nvidia.nix
   ];
 
-  nixpkgs = {
-    config.allowUnfree = true;
-    overlays = import ./overlays inputs;
-  };
   boot.tmp.useTmpfs = true;
 
   nix = {

common/home/neovim/langs/python.nix

@@ -1,8 +1,7 @@
 {
+  basedpyrightPkgs,
   config,
   lib,
-  pkgs,
-  basedpyright,
   ...
 }: let
   inherit (config.vars) neovimIde;
@@ -13,7 +12,7 @@ in
         withPython3 = true;
 
         extraPackages = [
-          basedpyright.legacyPackages.${pkgs.system}.basedpyright
+          basedpyrightPkgs.basedpyright
         ];
 
         extraLuaConfig =

common/nix-on-droid.nix

@@ -23,16 +23,10 @@
     substituters = [
       # Nix-community
       "https://nix-community.cachix.org"
-
-      # FIXME: cache doesn't work
-      # Personal config cache
-      # "https://cache.nelim.org"
     ];
     trustedPublicKeys = [
       # Nix-community
       "nix-community.cachix.org-1:mB9FSh9qf2dCimDSUo8Zy7bkq5CX+/rkCWyvRCYg3Fs="
-      # Personal config cache
-      # "cache.nelim.org:JmFqkUdH11EA9EZOFAGVHuRYp7EbsdJDHvTQzG2pPyY="
     ];
   };