IVGCVSW-2467 Remove GetDataType<T> function

Change-Id: I7359617a307b9abb4c30b3d5f2364dc6d0f828f0
diff --git a/src/backends/cl/test/ClLayerTests.cpp b/src/backends/cl/test/ClLayerTests.cpp
index 96f2f1f..2fe03ab 100755
--- a/src/backends/cl/test/ClLayerTests.cpp
+++ b/src/backends/cl/test/ClLayerTests.cpp
@@ -414,17 +414,17 @@
 ARMNN_COMPARE_REF_AUTO_TEST_CASE(CompareConv2dWithReference, CompareConvolution2dTest)
 
 ARMNN_COMPARE_REF_AUTO_TEST_CASE(CompareDepthwiseConv2dWithReferenceFloat32,
-                                 CompareDepthwiseConvolution2dTest<float>,
+                                 CompareDepthwiseConvolution2dFloatTest,
                                  armnn::DataLayout::NCHW)
 ARMNN_COMPARE_REF_AUTO_TEST_CASE(CompareDepthwiseConv2dWithReferenceUint8,
-                                 CompareDepthwiseConvolution2dTest<uint8_t>,
+                                 CompareDepthwiseConvolution2dUint8Test,
                                  armnn::DataLayout::NCHW)
 
 ARMNN_COMPARE_REF_AUTO_TEST_CASE(CompareDepthwiseConv2dWithReferenceFloat32Nhwc,
-                                 CompareDepthwiseConvolution2dTest<float>,
+                                 CompareDepthwiseConvolution2dFloatTest,
                                  armnn::DataLayout::NHWC)
 ARMNN_COMPARE_REF_AUTO_TEST_CASE(CompareDepthwiseConv2dWithReferenceUint8Nhwc,
-                                 CompareDepthwiseConvolution2dTest<uint8_t>,
+                                 CompareDepthwiseConvolution2dUint8Test,
                                  armnn::DataLayout::NHWC)
 
 ARMNN_COMPARE_REF_AUTO_TEST_CASE(CompareNormalizationWithinWithReference, CompareNormalizationTest,