IVGCVSW-836 Remove 2D validation in Softmax

Change-Id: I87c53c78dd033871dbc543550a61d2d535e752ac
diff --git a/src/backends/backendsCommon/WorkloadData.cpp b/src/backends/backendsCommon/WorkloadData.cpp
index e0ba4a7..bc25415 100644
--- a/src/backends/backendsCommon/WorkloadData.cpp
+++ b/src/backends/backendsCommon/WorkloadData.cpp
@@ -313,8 +313,6 @@
 {
     ValidateSingleInput(workloadInfo, "SoftmaxQueueDescriptor");
     ValidateSingleOutput(workloadInfo, "SoftmaxQueueDescriptor");
-    ValidateTensorNumDimensions(workloadInfo.m_InputTensorInfos[0], "SoftmaxQueueDescriptor", 2, "input");
-    ValidateTensorNumDimensions(workloadInfo.m_OutputTensorInfos[0], "SoftmaxQueueDescriptor", 2, "output");
 
     ValidateTensorShapesMatch(workloadInfo.m_InputTensorInfos[0],
                               workloadInfo.m_OutputTensorInfos[0],