vimPluginsUpdater: fix script

buildNeovimPlugin removed in previous update, but get-plugins is trying
to call package with removed argument.

Signed-off-by: Austin Horstman <khaneliman12@gmail.com>

pkgs/applications/editors/vim/plugins/utils/get-plugins.nix

@@ -1,10 +1,9 @@
 with import <localpkgs> { };
 let
   inherit (vimUtils.override { inherit vim; }) buildVimPlugin;
-  inherit (neovimUtils) buildNeovimPlugin;
 
   generated = callPackage <localpkgs/pkgs/applications/editors/vim/plugins/generated.nix> {
-    inherit buildNeovimPlugin buildVimPlugin;
+    inherit buildVimPlugin;
   } { } { };
 
   hasChecksum =