trivial: Fix duplicated word "options" in comment

this was introduced in

5e0a093 (tracing: fix config options to not show when automatically selected)

Signed-off-by: Uwe Kleine-Koenig <[e-mail]>
Cc: Steven Rostedt <[e-mail]>
Cc: [e-mail]
Signed-off-by: Jiri Kosina <[e-mail]>

kernel/trace/Kconfig

···
 # This allows those options to appear when no other tracer is selected. But the
 # options do not appear when something else selects it. We need the two options
 # GENERIC_TRACER and TRACING to avoid circular dependencies to accomplish the
-# hidding of the automatic options options.
+# hidding of the automatic options.
 
 config TRACING
 	bool