Remove obsolete Lint directives

Remove obsolete Lint directives

Most of the directives were wrong anyway.  Apparently
traditional lint hasn’t been used to check Emacs for years.
* src/callint.c (Finteractive):
* src/cm.c (evalcost):
* src/emacs.c (main):
* src/eval.c (call1, call2, call3, call4, call5, call6, call7, call8):
* src/fns.c (concat2, concat3, nconc2):
* src/term.c (calculate_ins_del_char_costs):
Omit ARGSUSED comments.
* src/eval.c (call1): Omit VARARGS comment.