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

This reverts commit e6ab3362 which is
commit 13f8f1e05f1dc36dbba6cba0ae03354c0dafcde7 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: Iddbda00bfb1246f4ddf99af31d251287784ec5b7
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>