Move c-like common utils into own library (bug#60961)

Move c-like common utils into own library (bug#60961)

* lisp/progmodes/c-ts-common.el: New file.
* lisp/progmodes/c-ts-mode.el (treesit-induce-sparse-tree): Remove
unused declaration.
(c-ts-mode--indent-styles): Refer to the new library.
(c-ts-mode--looking-at-star,
c-ts-mode--comment-start-after-first-star,
c-ts-mode--comment-2nd-line-matcher,
c-ts-mode--comment-2nd-line-anchor, c-ts-mode--comment-regexp,
c-ts-mode--fill-paragraph, c-ts-mode--fill-block-comment): Move to
c-ts-common and expose as public.
(c-ts-mode-comment-setup): Move to c-ts-common.
* lisp/progmodes/csharp-mode.el (c-ts-common): Require new library.
(csharp-ts-mode--indent-rules): Refer to the new symbols.
(csharp-ts-mode): Use new function.
* lisp/progmodes/java-ts-mode.el (c-ts-common): Require new library.
(java-ts-mode--indent-rules): Refer to the new symbols.
(java-ts-mode): Use new function.
* lisp/progmodes/js.el (c-ts-common): Require new library.
(js--treesit-indent-rules): Refer to the new symbols.
(js-ts-mode): Use new function.
* lisp/progmodes/rust-ts-mode.el (c-ts-common): Require new library.
(rust-ts-mode--indent-rules): Refer to the new symbols.
(rust-ts-mode): Use new function.
* lisp/progmodes/typescript-ts-mode.el (c-ts-common): Require new
library.
(typescript-ts-mode--indent-rules): Refer to the new symbols.
(typescript-ts-base-mode): Use new function.