IVGCVSW-1951 remove type templating from ClPadWorkload

Change-Id: I8182f781369956ca96562777f170ef677f831e4e
diff --git a/src/backends/cl/workloads/ClPadWorkload.hpp b/src/backends/cl/workloads/ClPadWorkload.hpp
index 97f57fd..70f6c42 100644
--- a/src/backends/cl/workloads/ClPadWorkload.hpp
+++ b/src/backends/cl/workloads/ClPadWorkload.hpp
@@ -11,8 +11,7 @@
 
 namespace armnn {
 
-template <armnn::DataType... dataTypes>
-class ClPadWorkload : public TypedWorkload<PadQueueDescriptor, dataTypes...>
+class ClPadWorkload : public BaseWorkload<PadQueueDescriptor>
 {
 public:
     ClPadWorkload(const PadQueueDescriptor& descriptor, const WorkloadInfo& info);
@@ -28,4 +27,3 @@
                                   const PadDescriptor& descriptor);
 
 } //namespace armnn
-