Revert "tracing: Fix trace_check_vprintf() when tp_printk is used"

This reverts commit 55841e88 which is
commit 50a3242d 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: Ib2c50123d53277ef0fc617e9d662270a99e78a12
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>