Remove tree-sitter-indent's integration with cc-mode
Also minor improvement of tree-sitter-indent error messaging.
* lisp/progmodes/js.el (js--treesit-indent-rules): Fix it so it works
with the new presets (which expects regexps).
(js--treesit-cc-indent-rules): Remove variable.
(js-mode): Go back to js--treesit-indent-rules.
* lisp/treesit.el (treesit-indent): Don't report error message when
ANCHOR or OFFSET is nil: let treesit-simple-indent display the
message.
(treesit-simple-indent): Remove cc-mode integration. Display error
message when no rules matches.