Replace cmake-ts-mode with cmake-mode

cmake-ts-mode is not mature enough yet.

nix/modules/c-family/default.nix

@@ -28,6 +28,7 @@ let
     (with pkgs.emacsPackages; [
       eldoc-cmake
       ninja-mode
+      cmake-mode
     ]);
 
   drv = makeFG42Drv {

nix/modules/c-family/lisp/fg42/c-family.el

@@ -35,11 +35,11 @@
    "--completion-style=detailed")
   "Arguments to pass to clangd.")
 
-(use! cmake-ts-mode
-  "Enable cmake-ts-mode instead of the non-TS version."
-  :mode ("\\(?:CMakeLists\\.txt\\|\\.cmake\\)\\'" . cmake-ts-mode)
+(use! cmake-mode
+  "Enable cmake-mode instead of the non-TS version."
+  :mode ("\\(?:CMakeLists\\.txt\\|\\.cmake\\)\\'" . cmake-mode)
   :hook
-  (cmake-ts-mode . fg42/setup-completion)
+  (cmake-mode . fg42/setup-completion)
   (before-save . fg42/lang-server-format))