IVGCVSW-4246 Clean build Layers with -Wextra

Change-Id: I649cd2304fb0040164763d31a12fc77c6c3bed87
Signed-off-by: Derek Lamberti <derek.lamberti@arm.com>
diff --git a/src/armnn/layers/L2NormalizationLayer.cpp b/src/armnn/layers/L2NormalizationLayer.cpp
index 88c3992..3d9dc53 100644
--- a/src/armnn/layers/L2NormalizationLayer.cpp
+++ b/src/armnn/layers/L2NormalizationLayer.cpp
@@ -18,11 +18,10 @@
 {
 }
 
-std::unique_ptr<IWorkload> L2NormalizationLayer::CreateWorkload(const Graph& graph,
-    const IWorkloadFactory& factory) const
+std::unique_ptr<IWorkload> L2NormalizationLayer::CreateWorkload(const IWorkloadFactory& factory) const
 {
     L2NormalizationQueueDescriptor descriptor;
-    return factory.CreateL2Normalization(descriptor, PrepInfoAndDesc(descriptor, graph));
+    return factory.CreateL2Normalization(descriptor, PrepInfoAndDesc(descriptor));
 }
 
 L2NormalizationLayer* L2NormalizationLayer::Clone(Graph& graph) const