Revert "tcp: Use BPF timeout setting for SYN ACK RTO"

This reverts commit 57a1a067 which is
commit 5903123f 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: Ibb1aeaacaa19fbca97617aab329ac576a50f757a
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>