refactor(views/geo): get rid of empty theme

apps/client/src/widgets/view_widgets/geo_view/map_layer.ts

@@ -30,11 +30,6 @@ export const MAP_LAYERS: Record<string, VectorLayer | RasterLayer> = {
         type: "vector",
         style: async () => (await import("./styles/eclipse/en.json")).default
     },
-    "versatiles-empty": {
-        name: "Versatiles Empty (vector)",
-        type: "vector",
-        style: async () => (await import("./styles/empty/style.json")).default
-    },
     "versatiles-graybeard": {
         name: "Versatiles Graybeard (vector)",
         type: "vector",

apps/client/src/widgets/view_widgets/geo_view/styles/empty/style.json

@@ -1,30 +0,0 @@
-{
-	"version": 8,
-	"name": "versatiles-empty",
-	"metadata": {
-		"license": "https://creativecommons.org/publicdomain/zero/1.0/"
-	},
-	"glyphs": "https://tiles.versatiles.org/assets/glyphs/{fontstack}/{range}.pbf",
-	"sprite": [
-		{
-			"id": "basics",
-			"url": "https://tiles.versatiles.org/assets/sprites/basics/sprites"
-		}
-	],
-	"sources": {
-		"versatiles-shortbread": {
-			"attribution": "© <a href=\"https://www.openstreetmap.org/copyright\">OpenStreetMap</a> contributors",
-			"tiles": [
-				"https://tiles.versatiles.org/tiles/osm/{z}/{x}/{y}"
-			],
-			"type": "vector",
-			"scheme": "xyz",
-			"bounds": [ -180, -85.0511287798066, 180, 85.0511287798066 ],
-			"minzoom": 0,
-			"maxzoom": 14
-		}
-	},
-	"layers": [
-		
-	]
-}