chore(autopairs): move () completion to autopairs plugin

lua/plugins/autopairs.lua

@@ -1,7 +1,15 @@
 return {
   'windwp/nvim-autopairs',
   event = 'InsertEnter',
-  config = true,
+  dependencies = { 'hrsh7th/nvim-cmp' },
+  config = function()
+    require('nvim-autopairs').setup {}
+    -- If you want to automatically add `(` after selecting a function or method
+    local cmp_autopairs = require 'nvim-autopairs.completion.cmp'
+    local cmp = require 'cmp'
+    cmp.event:on('confirm_done', cmp_autopairs.on_confirm_done())
+  end,
+
   -- use opts = {} for passing setup options
   -- this is equivalent to setup({}) function
   --