chore(nvim): simplify imports and clean up plugin files

nvim/after/plugin/cmp.lua

@@ -1,13 +1,6 @@
 -- https://github.com/hrsh7th/nvim-cmp
-local cmp_status_ok, cmp = pcall(require, "cmp")
-if not cmp_status_ok then
-	return
-end
-
-local snip_status_ok, luasnip = pcall(require, "luasnip")
-if not snip_status_ok then
-	return
-end
+local cmp = require("cmp")
+local luasnip = require("luasnip")
 
 require("luasnip/loaders/from_vscode").lazy_load()
 
@@ -16,7 +9,6 @@ local check_backspace = function()
 	return col == 0 or vim.fn.getline("."):sub(col, col):match("%s")
 end
 
---   פּ ﯟ   some other good icons
 local kind_icons = {
 	Text = "",
 	Method = "m",
@@ -45,7 +37,6 @@ local kind_icons = {
 	TypeParameter = "",
 	Octoface = "",
 }
--- find more here: https://www.nerdfonts.com/cheat-sheet
 
 cmp.setup({
 	snippet = {