* config/pa/nm-hppah.h (CHILD_POST_FOLLOW_INFERIOR_BY_CLONE): Don't
define.
(struct target_waitstatus): Add opaque definition.
* corelow.c (init_core_ops): Don't set to_clone_and_follow_inferior.
* exec.c (init_exec_ops): Likewise.
* fork-child.c (clone_and_follow_inferior): Remove.
* hppah-nat.c (child_post_follow_inferior_by_clone): Remove.
* inferior.h (clone_and_follow_inferior): Remove prototype.
* infrun.c (follow_fork_mode_both): Remove.
(follow_fork_mode_kind_names): Remove commented out "both".
(follow_inferior_fork): Remove follow_fork_mode_both support.
* inftarg.c (child_clone_and_follow_inferior): Remove.
(child_post_follow_inferior_by_clone): Remove.
(init_child_ops): Don't set to_clone_and_follow_inferior
or to_post_follow_inferior_by_clone.
* target.c (default_clone_and_follow_inferior): Remove.
(cleanup_target): Don't set to_clone_and_follow_inferior
or to_post_follow_inferior_by_clone.
(find_default_clone_and_follow_inferior): Remove.
(init_dummy_target): Don't set to_clone_and_follow_inferior.
(debug_to_clone_and_follow_inferior): Remove.
(debug_to_post_follow_inferior_by_clone): Remove.
(setup_target_debug): Don't set to_clone_and_follow_inferior
or to_post_follow_inferior_by_clone.
* target.h (struct target_ops): Remove to_clone_and_follow_inferior
and to_post_follow_inferior_by_clone.
(child_clone_and_follow_inferior): Remove prototype.
(child_post_follow_inferior_by_clone): Remove prototype.
(target_clone_and_follow_inferior): Remove macro.
(target_post_follow_inferior_by_clone): Remove macro.
(find_default_clone_and_follow_inferior): Remove prototype.