clear highlight only when not the default

slightly improve startup

colors/neobones.lua

@@ -1,7 +1,11 @@
+if vim.g.colors_name then
+	vim.api.nvim_command "highlight clear"
+end
+
 vim.g.colors_name = "neobones"
 
 package.loaded["neobones"] = nil
-require "lush"(require "neobones")
+require "lush"(require "neobones", { force_clean = false })
 
 local p = require("neobones.palette")[vim.opt.background:get()]
 require("zenbones.term").apply_colors(p)