Resolves - Test Sites Endpoint

Resolves #67 (closed)

src/hazard/src/main/java/gov/usgs/earthquake/nshmp/netcdf/www/NetcdfServiceHazardCurves.java

@@ -221,13 +221,11 @@ public class NetcdfServiceHazardCurves extends
   static class HazardSourceModel extends SourceModel {
     public final List<Imt> imts;
     public final JsonElement map;
-    public final JsonElement sites;
 
     HazardSourceModel(NetcdfHazardCurves netcdf) {
       super(netcdf);
       imts = netcdf.netcdfData().imts().stream().sorted().collect(Collectors.toList());
       map = netcdf.netcdfData().map().toJsonTree();
-      sites = netcdf.netcdfData().sites().toJsonTree();
     }
   }
 }