do not call trace_printk on non-debug build

trace_printk will cause trace_printk_init_buffers executed in kernel
start. Remove them from non-debug build.

Test: see nasty message gone in dmesg
Bug: 64215528
Change-Id: I82b8435a3cf36123608aae572c843db8ad86ac8a
Signed-off-by: Wei Wang <wvw@google.com>