Revert "bpf: Support new 32bit offset jmp instruction"

This reverts commit 2c795ce0 which is
commit 4cd58e9a 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: Iac907693874b0a3ac47992214c19c41905562e86
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>