refactor: revert unnecessary changes

Author: airslice

src/Map/types/viewerProperty.ts

@@ -210,7 +210,6 @@ export type IndicatorProperty = {
 
 export type AssetsProperty = {
   cesium?: AssetsCesiumProperty;
-  reearthTerrain?: AssetsReearthTerrainProperty;
 };
 
 export type AssetsCesiumProperty = {
@@ -221,13 +220,6 @@ export type AssetsCesiumProperty = {
   };
 };
 
-export type AssetsReearthTerrainProperty = {
-  terrain?: {
-    /** Reearth terrain base URL — do NOT include '/layer.json', Cesium appends it automatically. e.g. 'https://terrain.reearth.land/' */
-    url?: string;
-  };
-};
-
 export type DebugProperty = {
   showGlobeWireframe?: boolean;
   showFramesPerSecond?: boolean;