IVGCVSW-1951 Remove type templating from ClPooling2dWorkload

Change-Id: Iaa3158487b58964d8a3b98acadde7c10172a3860
diff --git a/src/backends/cl/ClWorkloadFactory.cpp b/src/backends/cl/ClWorkloadFactory.cpp
index d293759..fa86840 100644
--- a/src/backends/cl/ClWorkloadFactory.cpp
+++ b/src/backends/cl/ClWorkloadFactory.cpp
@@ -138,7 +138,7 @@
 std::unique_ptr<armnn::IWorkload> ClWorkloadFactory::CreatePooling2d(const Pooling2dQueueDescriptor& descriptor,
                                                                      const WorkloadInfo&           info) const
 {
-    return MakeWorkload<ClPooling2dFloatWorkload, ClPooling2dUint8Workload>(descriptor, info);
+    return std::make_unique<ClPooling2dWorkload>(descriptor, info);
 }
 
 std::unique_ptr<armnn::IWorkload> ClWorkloadFactory::CreateConvolution2d(const Convolution2dQueueDescriptor& descriptor,