* hppah-nat.c (child_can_follow_vfork_prior_to_exec): Remove.
* inftarg.c (child_can_follow_vfork_prior_to_exec): Remove.
(init_child_ops): Don't initialize to_can_follow_vfork_prior_to_exec.
* infttrace.c (child_can_follow_vfork_prior_to_exec): Remove.
* target.c (cleanup_target): Remove reference to
to_can_follow_vfork_prior_to_exec.
(update_current_target): Likewise.
(debug_to_can_follow_vfork_prior_to_exec): Remove.
(setup_target_debug): Remove reference to
to_can_follow_vfork_prior_to_exec.
* target.h (struct target_ops): Remove
to_can_follow_vfork_prior_to_exec.
(child_can_follow_vfork_prior_to_exec): Remove prototype.
(target_can_follow_vfork_prior_to_exec): Remove definition.
* config/pa/nm-hppah.h (CHILD_CAN_FOLLOW_VFORK_PRIOR_TO_EXEC): Don't
define.
* infrun.c (follow_vfork_when_exec): Remove.
(follow_inferior_fork): Remove references to follow_vfork_when_exec.
(follow_exec): Likewise.
(handle_inferior_event): Likewise.
(keep_going): Likewise.