CDAR-833: Set default Comm Type to DSRC (#204)

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# PR Details
## Description
Change default communication model for Town04
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## Related Jira Key
CDAR-833
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## Motivation and Context
CV2X-Model needs investigation due to introduced communication latency
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## How Has This Been Tested?
CDASim Deployment 
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co-simulation/bundle/src/assembly/resources/scenarios/Town04/ns3/ns3_federate_config.xml

@@ -2,7 +2,7 @@
 <ns3>
 
  <NetworkConfig>
-     <component name="CommType" value="LTE"/>
+     <component name="CommType" value="DSRC"/>
      <component name="NumOfNodes" value="5"/>
  </NetworkConfig>