proc: remove useless check on symlink removal

proc symlinks always have valid ->data containing destination of symlink.  No
need to check it on removal -- proc_symlink() already done it.

Signed-off-by: Alexey Dobriyan <adobriyan@sw.ru>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/fs/proc/generic.c b/fs/proc/generic.c
index 1c91eed..e37ea3e 100644
--- a/fs/proc/generic.c
+++ b/fs/proc/generic.c
@@ -673,7 +673,7 @@
 
 	release_inode_number(ino);
 
-	if (S_ISLNK(de->mode) && de->data)
+	if (S_ISLNK(de->mode))
 		kfree(de->data);
 	kfree(de);
 }