sched: cleanup, remove the TASK_NONINTERACTIVE flag

Here's another piece of low hanging obsolete fruit.

Remove obsolete TASK_NONINTERACTIVE.

Signed-off-by: Mike Galbraith <efault@gmx.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
diff --git a/fs/pipe.c b/fs/pipe.c
index 6b3d91a..f1fa2b4 100644
--- a/fs/pipe.c
+++ b/fs/pipe.c
@@ -45,8 +45,7 @@
 	 * Pipes are system-local resources, so sleeping on them
 	 * is considered a noninteractive wait:
 	 */
-	prepare_to_wait(&pipe->wait, &wait,
-			TASK_INTERRUPTIBLE | TASK_NONINTERACTIVE);
+	prepare_to_wait(&pipe->wait, &wait, TASK_INTERRUPTIBLE);
 	if (pipe->inode)
 		mutex_unlock(&pipe->inode->i_mutex);
 	schedule();