tracing: Remove unnecessary DEBUG_FS dependency

Tracing replaced debugfs with tracefs.

Signed-off-by: Kusanagi Kouichi <[email protected]>
Reviewed-by: Steven Rostedt (VMware) <[email protected]>
Link: https://lore.kernel.org/r/20191120104350753.EWCT.12796.ppp.dion.ne.jp@dmta0009.auone-net.jp
Signed-off-by: Greg Kroah-Hartman <[email protected]>

Author: k7k7

kernel/trace/Kconfig

@@ -106,7 +106,6 @@ config PREEMPTIRQ_TRACEPOINTS
 
 config TRACING
 	bool
-	select DEBUG_FS
 	select RING_BUFFER
 	select STACKTRACE if STACKTRACE_SUPPORT
 	select TRACEPOINTS