[PATCH] gdb: Remove use of deprecated_interactive_hook

[Tom Tromey]

>>>>> "Andrew" == Andrew Burgess <andrew.burgess@embecosm.com> writes:

Andrew> The deprecated_interactive_hook is not used within GDB.  It is used in
Andrew> gdbtk, however this patch removes that use:

Andrew>   https://sourceware.org/ml/insight/2019-q2/msg00001.html

Andrew> So I think there is no longer a reason to keep this hook around.

Thanks for doing this.  It looks good to me.  I always appreciate
removals of deprecated things :-)

Tom