docs: drop l2cr from sysctl/kernel.rst

The l2cr sysctl entry was removed in commit c2f3dabefa73 ("sysctl:
kill binary sysctl KERN_PPC_L2CR"), this removes the corresponding
documentation.

Signed-off-by: Stephen Kitt <steve@sk2.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>

diff --git a/Documentation/admin-guide/sysctl/kernel.rst b/Documentation/admin-guide/sysctl/kernel.rst
index bb56ff25d947630149611a75ba9cc220166e9aa0..99569a26f93e2c0dee25eb5189148dad64717ad4 100644 (file)
--- a/Documentation/admin-guide/sysctl/kernel.rst
+++ b/Documentation/admin-guide/sysctl/kernel.rst
@@ -377,13 +377,6 @@ When ``kptr_restrict`` is set to 2, kernel pointers printed using
 %pK will be replaced with 0s regardless of privileges.
 
 
-l2cr (PPC only)
-===============
-
-This flag controls the L2 cache of G3 processor boards. If
-0, the cache is disabled. Enabled if nonzero.
-
-
 modprobe
 ========