rosenthal: Remove tree-sitter-cmake. [upstreamed]

* rosenthal/packages/tree-sitter.scm (tree-sitter-cmake): Delete variable.
* README.org (Packages): Remove it.

README.org

@@ -1,4 +1,4 @@
-#+TITLE: Rosenthal - A certain Guix channel.
+#+TITLE: Rosenthal - A certain Guix channel
 
 ** About / 關於
 [[https://codeberg.org/hako/Rosenthal][Rosenthal]] is a [[https://guix.gnu.org/en/manual/devel/en/html_node/Channels.html][Guix channel]].
@@ -113,7 +113,6 @@ Rosenthal 頻道定義如下，將其加入 =~/.config/guix/channels.scm= 以由
 + hyprland
 + qogir-icon-theme
 + socks2http
-+ tree-sitter-cmake
 + tree-sitter-yaml
 
 Binary Packages / 二進制包：

rosenthal/packages/tree-sitter.scm

@@ -4,14 +4,6 @@
 (define tree-sitter-grammar
   (@@ (gnu packages tree-sitter) tree-sitter-grammar))
 
-;; <https://issues.guix.gnu.org/64430>
-(define-public tree-sitter-cmake
-  (tree-sitter-grammar
-   "cmake" "CMake"
-   "0i8vsvkkas1fnn35na68gq5xq2y3xvhv2bk9q6x8c1bzsqm6rcsa"
-   "0.4.0"
-   #:repository-url "https://github.com/uyha/tree-sitter-cmake"))
-
 (define-public tree-sitter-yaml
   (let ((base
          (tree-sitter-grammar