refactor(:lang): redo tree-sitter hooks

- bind to major-mode-local-vars-hook instead of major mode hook
- bind the autodef tree-sitter! instead of the functions.

modules/lang/cc/config.el

@@ -307,7 +307,6 @@ If rtags or rdm aren't available, fail silently instead of throwing a breaking e
 
 ;; Tree sitter
 (eval-when! (featurep! +tree-sitter)
-  (add-hook! '(c-mode-hook
-               c++-mode-hook)
-             #'turn-on-tree-sitter-mode
-             #'+tree-sitter-keys-mode))
+  (add-hook! '(c-mode-local-vars-hook
+               c++-mode-local-vars-hook)
+             #'tree-sitter!))