splice: remove duplicate noinline from pipe_clear_nowait

pipe_clear_nowait has two noinline macros, but we only need one.

I checked the whole tree, and this is the only occurrence:

$ grep -r "noinline .* noinline"
fs/splice.c:static noinline void noinline pipe_clear_nowait(struct file *file)
$

Fixes: 0f99fc5 ("splice: clear FMODE_NOWAIT on file if splice/vmsplice is used")
Signed-off-by: "T.J. Mercier" <[email protected]>
Link: https://lore.kernel.org/[email protected]
Reviewed-by: Jens Axboe <[email protected]>
Signed-off-by: Christian Brauner <[email protected]>

Author: tweej

fs/splice.c

@@ -45,7 +45,7 @@
  * here if set to avoid blocking other users of this pipe if splice is
  * being done on it.
  */
-static noinline void noinline pipe_clear_nowait(struct file *file)
+static noinline void pipe_clear_nowait(struct file *file)
 {
 	fmode_t fmode = READ_ONCE(file->f_mode);