home: vim: add remove deprecated option

The plug-in now configures itself automatically.

I could also set `vim.g.skip_ts_context_commentstring_module = true`,
but that should be removed soon enough anyway, and I would forget to
remove it...

modules/home/vim/plugin/settings/tree-sitter.lua

@@ -8,9 +8,6 @@ ts_config.setup({
     indent = {
         enable = true,
     },
-    context_commentstring = {
-        enable = true,
-    },
     textobjects = {
         select = {
             enable = true,