remove duplicate test site

sites.csv

@@ -7,7 +7,6 @@ Bethel AK,                   -161.80,  60.80
 Chitina AK,                  -144.50,  61.50
 Delta Junction AK,           -145.70,  64.00
 Dillingham AK,               -158.50,  59.10
-Dutch Harbor AK,             -166.60,  53.90
 Evansville AK,               -151.50,  66.90
 Fairbanks AK,                -147.70,  64.90
 Fairbanks (ATC) AK,          -147.70,  64.90

sites.geojson

@@ -89,17 +89,6 @@
         "title": "Dillingham AK"
       }
     },
-    {
-      "type": "Feature",
-      "geometry": {
-        "type": "Point",
-        "coordinates": [-166.6, 53.9]
-      },
-      "properties": {
-        "marker-size": "small",
-        "title": "Dutch Harbor AK"
-      }
-    },
     {
       "type": "Feature",
       "geometry": {