Remove default odata type

Setting this information by default provides less value than it does by not being there. If we do not incude it, we can by default serialize all odata.type data that is included in the request by default

Author: Caitlin Bales (MSFT)

Templates/Java/models_generated/BaseEntity.java.tt

@@ -30,10 +30,6 @@ import java.util.Map;
     }
 #>
 
-    public <#=BaseTypeName(c)#>() {
-        oDataType = "<#=((OdcmClass)c).FullName#>";
-    }
-
 <#=CreatePropertyDef(((OdcmClass)c).Properties, c is OdcmComplexClass)#>
 <#=CreateRawJsonObject()#>
 <#=UpdatePropertiesWithinSetRawObject(((OdcmClass)c).Properties, c is OdcmComplexClass)#>