vimPlugins.parinfer-rust: move to non-generated

pkgs/applications/editors/vim/plugins/non-generated/parinfer-rust/default.nix

···
+{ parinfer-rust }: parinfer-rust

pkgs/applications/editors/vim/plugins/overrides.nix

···
   nodejs,
   openscad,
   openssh,
-  parinfer-rust,
   ranger,
   ripgrep,
   sqlite,
···
   package-info-nvim = super.package-info-nvim.overrideAttrs {
     dependencies = [ self.nui-nvim ];
   };
-
-  inherit parinfer-rust;
 
   parpar-nvim = super.parpar-nvim.overrideAttrs {
     dependencies = with self; [