Clean from examples

lua/config/treesitter.lua

@@ -1,10 +1,6 @@
 require('nvim-treesitter.configs').setup {
   highlight = {
     enable = true,
-    custom_captures = {
-      -- Highlight the @foo.bar capture group with the "Identifier" highlight group.
-      ["foo.bar"] = "Identifier",
-    },
     -- Setting this to true will run `:h syntax` and tree-sitter at the same time.
     -- Set this to `true` if you depend on 'syntax' being enabled (like for indentation).
     -- Using this option may slow down your editor, and you may see some duplicate highlights.