Add area geometry support to runway preset

- Add "area" to supported geometry types for runway surface mapping
- Include addTags and removeTags for proper tag cleanup
- Addresses openstreetmap/iD#11169 for area:aeroway=runway support

data/presets/aeroway/runway.json

@@ -7,11 +7,19 @@
         "width"
     ],
     "geometry": [
-        "line"
+        "line",
+        "area"
     ],
     "tags": {
         "aeroway": "runway"
     },
+    "addTags": {
+        "aeroway": "runway"
+    },
+    "removeTags": {
+        "aeroway": "*",
+        "area:aeroway": "*"
+    },
     "terms": [
         "landing strip"
     ],