Make tree-sitter based modes optional

Make tree-sitter based modes optional

* lisp/progmodes/c-ts-mode.el: Update Commentary.  Make
'auto-mode-alist' update conditional on the tree-sitter and
grammar libraries being available.
* lisp/progmodes/cmake-ts-mode.el:
* lisp/progmodes/csharp-mode.el:
* lisp/progmodes/dockerfile-ts-mode.el:
* lisp/progmodes/go-ts-mode.el:
* lisp/progmodes/java-ts-mode.el:
* lisp/progmodes/js.el:
* lisp/progmodes/json-ts-mode.el:
* lisp/progmodes/python.el:
* lisp/progmodes/ruby-ts-mode.el:
* lisp/progmodes/typescript-ts-mode.el:
* lisp/textmodes/css-mode.el:
* lisp/textmodes/toml-ts-mode.el:
* lisp/textmodes/yaml-ts-mode.el: Make 'auto-mode-alist' update
for tree-sitter based modes be conditional on the tree-sitter and
grammar libraries being available.  (Bug#60559)