tracing: Cleanup double word in comment

Remove the second 'is' and 'to'.

Link: https://lkml.kernel.org/r/20220207131216.2059997-1-trix@redhat.com



Signed-off-by: Tom Rix <trix@redhat.com>
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>