Remove FIXME that was already fixed in 9f1c0228

lua/commands.lua

@@ -10,10 +10,6 @@ end, { range = '%' })
 -- :TabWidth set the tab width for the current buffer
 vim.api.nvim_create_user_command('TabWidth', function(opts)
   -- Set the tab width for the current filetype
-  -- FIXME: Doesn't seem to cover all bases in neovim when editorconfig is
-  -- involved, specifically with pressing o/O in C++ from a line with a brace.
-  -- This might be related to tree-sitter indentation? Or could be that I've
-  -- not ported over all my filetype settings yet.
   local width = tonumber(opts.args)
   vim.opt.tabstop = width
   vim.opt.shiftwidth = width