Merge pull request #559 from arch0345/fuel

Gas Station preset: move `building` field to `fields`

Author: tyrasd

data/presets/amenity/fuel.json

@@ -6,12 +6,11 @@
         "operator",
         "address",
         "fuel_multi",
-        "self_service"
+        "self_service",
+        "building_area"
     ],
     "moreFields": [
         "branch_brand",
-        "brand",
-        "building",
         "email",
         "fax",
         "gnis/feature_id-US",