Refer to kernel/build:/OWNERS as /kleaf/OWNERS is no more

Change-Id: I8732e9c40e80f04016f83500f5dd8aa15d06480d
Signed-off-by: Matthias Männich <maennich@google.com>
diff --git a/OWNERS b/OWNERS
index 003b75c..a9c7465 100644
--- a/OWNERS
+++ b/OWNERS
@@ -5,4 +5,4 @@
 #
 # The kernel follows a different branching model than that of platform, which
 # needs the 'master' branch to be explicitly declared.
-include kernel/build:main:/kleaf/OWNERS
+include kernel/build:main:/OWNERS