Disable gruvbox material and setup config for gruvbox

lua/my_options.lua

@@ -1,10 +1,4 @@
 local utils = require('utils')
-vim.g.gruvbox_material_diagnostic_text_highlight = 1
-vim.g.gruvbox_material_diagnostic_virtual_text = 'colored'
-vim.g.gruvbox_bold = 0
-vim.g.gruvbox_italicize_comments = 0
-vim.g.gruvbox_italicize_strings = 0
-vim.cmd('colorscheme gruvbox') -- Put your favorite colorscheme here
 vim.cmd('syntax enable')
 vim.cmd('filetype plugin indent on')
 vim.cmd('language en_US.utf-8')