Revert "arm64: probes: Fix uprobes for big-endian kernels"

This reverts commit 14841bb7 which is
commit 13f8f1e0 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: I3e6141d5184c37814b1ea62f3e2966e97e3e3932
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>