IVGCVSW-4485 Remove Boost assert

Signed-off-by: Narumol Prangnawarat <narumol.prangnawarat@arm.com>
Change-Id: If602024a339df7548333e470545f9400c3daf7b3
diff --git a/ConversionUtils.cpp b/ConversionUtils.cpp
index 09e5159..4c77396 100644
--- a/ConversionUtils.cpp
+++ b/ConversionUtils.cpp
@@ -31,7 +31,7 @@
 
 void LayerInputHandle::Connect(armnn::IInputSlot& inputSlot)
 {
-    BOOST_ASSERT(IsValid());
+    ARMNN_ASSERT(IsValid());
     if (m_OutputSlot)
     {
         m_OutputSlot->Connect(inputSlot);
@@ -103,7 +103,7 @@
                                             armnn::IConnectableLayer* prevLayer,
                                             ConversionData& data)
 {
-    BOOST_ASSERT(prevLayer->GetNumOutputSlots() == 1);
+    ARMNN_ASSERT(prevLayer->GetNumOutputSlots() == 1);
 
     prevLayer->GetOutputSlot(0).SetTensorInfo(tensorInfo);