[neovim] Remove unused options

.config/nvim/lua/core/options.lua

@@ -46,8 +46,3 @@ vim.opt.linebreak = true
 -- experimental
 vim.opt.cmdheight = 0 -- Number of screen lines to use for the command-line
 
--- neovide
-if vim.fn.exists("g:neovide") ~= 0 then
-	vim.g.neovide_cursor_animation_length = 0
-	vim.g.neovide_cursor_trail_size = 0
-end