Revert "bpf: Fix ringbuf memory type confusion when passing to helpers"

This reverts commit 1253e34a which is
commit a672b2e3 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: Iec2a5d7ca2725f878c4c78834e64f94a24ef2132
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>