Prefer calln to CALLN where applicable

Prefer calln to CALLN where applicable

* src/callint.c (read_file_name):
* src/comp.c (CALL0I, CALL1I, CALL2I, CALL4I, declare_imported_func):
* src/data.c (Ffset, notify_variable_watchers):
* src/eval.c (Ffuncall_with_delayed_message):
* src/keymap.c (Fdescribe_buffer_bindings):
* src/minibuf.c (Fread_buffer, Fcompleting_read):
* src/pdumper.c (Fdump_emacs_portable):
* src/print.c (print_vectorlike_unreadable):
* src/treesit.c (treesit_traverse_match_predicate)
(treesit_build_sparse_tree): Prefer calln to CALLN.

(cherry picked from commit 383de5c3f6f1ca7c8da7450d6e1716b43e9d2020)