tracing: Update instance_rmdir() to use tracefs_remove_recursive
tracing: Update instance_rmdir() to use tracefs_remove_recursive

Update instancd_rmdir to use tracefs_remove_recursive instead of
debugfs_remove_recursive.This was left in the transition from debugfs
to tracefs.

Link: http://lkml.kernel.org/r/1445169490-18315-2-git-send-email-38086e1f8aae99b8d0307fb10bfa1e805cab4586@gmail.com

Cc: 4fbacc2fa0ffdbb11bf1ad6925b886ebd08dd15f@vger.kernel.org # 4.1+
Fixes: 8434dc9340cd2 ("tracing: Convert the tracing facility over to use tracefs")
Signed-off-by: Jiaxing Wang <38086e1f8aae99b8d0307fb10bfa1e805cab4586@gmail.com>
Signed-off-by: Steven Rostedt <43232e92d70cc7aa53504ad0397085ee47bad87f@goodmis.org>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs