Revert "block: Clear zone limits for a non-zoned stacked queue"

This reverts commit 96661f8c which is
commit c8f6f88d upstream.

It breaks the Android kernel abi and can be brought back in the future
in an abi-safe way if it is really needed.

Bug: 161946584
Change-Id: I4de870534a51a42360da6558ea0164c0f66ee7a0
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>