Remove redundant hlsearch option (nvim-lua#1058)

Author: restray

init.lua

@@ -157,8 +157,8 @@ vim.opt.scrolloff = 10
 -- [[ Basic Keymaps ]]
 --  See `:help vim.keymap.set()`
 
--- Set highlight on search, but clear on pressing <Esc> in normal mode
-vim.opt.hlsearch = true
+-- Clear highlights on search when pressing <Esc> in normal mode
+--  See `:help hlsearch`
 vim.keymap.set('n', '<Esc>', '<cmd>nohlsearch<CR>')
 
 -- Diagnostic keymaps