Refactoring: fix statistics in onwheels theme

assets/themes/onwheels/onwheels.json

@@ -511,75 +511,6 @@
           }
         ]
       }
-    },
-    {
-      "builtin": "maproulette_challenge",
-      "override": {
-        "source": {
-          "geoJson": "https://maproulette.org/api/v2/challenge/view/28012"
-        },
-        "calculatedTags": [
-          "_closest_osm_hotel=closest(feat)('tourism_accomodation')?.properties?.id",
-          "_closest_osm_hotel_distance=distanceTo(feat)(feat.properties._closest_osm_hotel)",
-          "_has_closeby_feature=Number(feat.properties._closest_osm_hotel_distance) < 50 ? 'yes' : 'no'"
-        ],
-        "+tagRenderings": [
-          {
-            "id": "import-button",
-            "condition": "_has_closeby_feature=no",
-            "render": {
-              "special": {
-                "type": "import_button",
-                "targetLayer": "tourism_accomodation",
-                "tags": "tags",
-                "text": {
-                  "en": "Import",
-                  "de": "Import",
-                  "fr": "Importation",
-                  "da": "Importere",
-                  "nb_NO": "Importer",
-                  "ca": "Importar",
-                  "pa_PK": "ایمپورٹ کرو",
-                  "nl": "Importeren",
-                  "cs": "Dovoz",
-                  "es": "Importar",
-                  "eu": "Inportatu",
-                  "pl": "Import",
-                  "zh_Hant": "匯入",
-                  "ko": "불러오기"
-                },
-                "icon": "./assets/svg/addSmall.svg",
-                "maproulette_id": "mr_taskId"
-              }
-            }
-          },
-          {
-            "id": "tag-apply-button",
-            "condition": "_has_closeby_feature=yes",
-            "render": {
-              "special": {
-                "type": "tag_apply",
-                "tags_to_apply": "$tags",
-                "message": {
-                  "en": "Add all the suggested tags",
-                  "de": "Alle vorgeschlagenen Tags hinzufügen",
-                  "fr": "Ajouter tous les attributs suggérés",
-                  "da": "Tilføj alle de foreslåede tags",
-                  "nb_NO": "Legg til alle foreslåtte",
-                  "nl": "Voeg alle gesuggereerde tags toe",
-                  "cs": "Přidat všechny navrhované značky",
-                  "es": "Agregar todas las etiquetas sugeridas",
-                  "ca": "Afegiu totes les etiquetes suggerides",
-                  "pl": "Dodaj wszystkie sugerowane znaczniki",
-                  "ko": "제안된 모든 태그 추가"
-                },
-                "image": "./assets/svg/addSmall.svg",
-                "id_of_object_to_apply_this_one": "_closest_osm_hotel"
-              }
-            }
-          }
-        ]
-      }
     }
   ],
   "overrideAll": {