[PATCH] doc: Remove references to arrayRCU.rst

[Zenghui Yu <zenghui.yu@linux.dev>]

arrayRCU.rst has been removed since commit ef2555cf68c3 ("doc: Remove
arrayRCU.rst") but is still referenced by whatisRCU.rst. Update it to
reflect the current state of the documentation.

Signed-off-by: Zenghui Yu <zenghui.yu@linux.dev>
---
 Documentation/RCU/whatisRCU.rst | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/Documentation/RCU/whatisRCU.rst b/Documentation/RCU/whatisRCU.rst
index 60ce02475142..dce1678ec1f8 100644
--- a/Documentation/RCU/whatisRCU.rst
+++ b/Documentation/RCU/whatisRCU.rst
@@ -416,7 +416,7 @@ their assorted primitives.
 
 This section shows a simple use of the core RCU API to protect a
 global pointer to a dynamically allocated structure.  More-typical
-uses of RCU may be found in listRCU.rst, arrayRCU.rst, and NMI-RCU.rst.
+uses of RCU may be found in listRCU.rst and NMI-RCU.rst.
 ::
 
 	struct foo {
@@ -499,8 +499,8 @@ So, to sum up:
 	data item.
 
 See checklist.rst for additional rules to follow when using RCU.
-And again, more-typical uses of RCU may be found in listRCU.rst,
-arrayRCU.rst, and NMI-RCU.rst.
+And again, more-typical uses of RCU may be found in listRCU.rst
+and NMI-RCU.rst.
 
 .. _4_whatisRCU:
 
-- 
2.34.1