trace-cmd: Fix cut and paste header comment of tracecmd_unpair_peer()

The comment describing tracecmd_unpair_peer() is the same as the comment for
tracecmd_pair_peer(). Update it to describe the unpair function.

Link: http://lore.kernel.org/linux-trace-devel/20200413205521.252964374@goodmis.org

Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
1 file changed