rcu: Use debugfs_remove_recursive() simplify code.
rcu: Use debugfs_remove_recursive() simplify code.

Suggested by Josh Triplett.

Signed-off-by: Paul E. McKenney <1e0ce936bb9b355d257bf5790d2513c3f28be22b@linux.vnet.ibm.com>
Cc: 4c9eb49378914b743bdd32292c04df29b820d73e@cn.fujitsu.com
Cc: a6f1be4247cea11e3150b15872843079f20d7078@in.ibm.com
Cc: 5c1e68b099950c134891f0b6e179498a8ebe9cf9@linux-foundation.org
Cc: 007bef6a47fb57dff675bfa1b0b798b4bdfbfc25@polymtl.ca
Cc: a50ae57b5be206206df36c5040b2d0d75c7a5290@linux.vnet.ibm.com
Cc: 6620bce6bfb8b2ba8b188f43804848d35a9a4d76@us.ibm.com
Cc: a103ef9226f51cd1e5e835b2f74c82dfb33d1ccb@us.ibm.com
Cc: 3fddac958924aef220f202ca567388ddab3f14a8@infradead.org
Cc: 43232e92d70cc7aa53504ad0397085ee47bad87f@goodmis.org
Cc: "Paul E. McKenney" <1e0ce936bb9b355d257bf5790d2513c3f28be22b@linux.vnet.ibm.com>
LKML-Reference: <12509746132173-git-send-email->
Signed-off-by: Ingo Molnar <9dbbbf0688fedc85ad4da37637f1a64b8c718ee2@elte.hu>

KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,KristFoundation/Programs