Remove cpu hotplug defines for __INIT & __INITDATA

After examining what was checked in and the code base I discovered that most
of 86c0baf1 wasn't necessary anymore....

So here's a patch that reverts the last part of that changeset:

Revert part of 86c0baf1.

The kernel has moved forward to a state where the original change is not
necessary.  After porting forward, this final version of the patch was
applied and broke non-x86 architectures.

Signed-off-by: Prarit Bhargava <prarit@redhat.com>
Cc: Russell King <rmk@arm.linux.org.uk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>