RFA: remove BEFORE_MAIN_LOOP_HOOK

[Tom Tromey]

>>>>> "Stan" == Stan Shebs <stanshebs@earthlink.net> writes:

>> I happened to notice that BEFORE_MAIN_LOOP_HOOK is completely unused.
>> It is mentioned in main.c and the ChangeLogs, but not in any other
>> file in the gdb tree.

Stan> Heh, this was one of the main.c cleanups I didn't get around to
Stan> posting last week. :-) So yes!

You know, I completely forgot about that until you mentioned it.
Weird.

I checked it in, thanks.

Tom