fix(tree-sitter): void-variable +tree-sitter--major-mode-remaps-alist

This is a temporary solution and will be polished up before the treesit
branch is merged into master.

Ref: #7623
Amend: 617d8411e6

modules/tools/tree-sitter/autoload/tree-sitter.el

@@ -1,5 +1,8 @@
 ;;; tools/tree-sitter/autoload/tree-sitter.el -*- lexical-binding: t; -*-
 
+;;;###autoload
+(defvar +tree-sitter--major-mode-remaps-alist nil)
+
 ;;;###autodef (fset 'tree-sitter! #'ignore)
 (defun tree-sitter! ()
   (message "Old tree-sitter.el support is deprecated!"))

modules/tools/tree-sitter/config.el

@@ -1,8 +1,5 @@
 ;;; tools/tree-sitter/config.el -*- lexical-binding: t; -*-
 
-(defvar +tree-sitter--major-mode-remaps-alist nil)
-
-
 ;;
 ;;; Packages