remove exportToZip config property that was added accidentally

config/environment.default.js

@@ -20,7 +20,6 @@ module.exports = {
     // NOTE: how long should objects be cached for by default
     msToLive: {
       default: 15 * 60 * 1000, // 15 minutes
-      exportToZip: 5 * 1000 // 5 seconds
     },
     // msToLive: 1000, // 15 minutes
     control: 'max-age=60', // revalidate browser

src/config/cache-config.interface.ts

@@ -4,7 +4,6 @@ import { AutoSyncConfig } from './auto-sync-config.interface';
 export interface CacheConfig extends Config {
   msToLive: {
     default: number;
-    exportToZip: number;
   },
   control: string,
   autoSync: AutoSyncConfig