Remove the declaration of deprecated_target_wait_hook; the actual
definition and usage were removed 4 years ago in:
commit
fb85cece22a2cb3c0185e61cfc1323e9c5a6466e
Date: Sat Mar 12 13:41:47 2022 +0100
Replace deprecated_target_wait_hook by observers
There should be no user-visible changes after this commit.
extern char *(*deprecated_readline_hook) (const char *);
extern void (*deprecated_readline_end_hook) (void);
extern void (*deprecated_context_hook) (int);
-extern ptid_t (*deprecated_target_wait_hook) (ptid_t ptid,
- struct target_waitstatus *status,
- int options);
extern void (*deprecated_attach_hook) (void);
extern void (*deprecated_detach_hook) (void);