Fixes lint warning

src/plus/subscription/subscriptionService.ts

@@ -46,7 +46,7 @@ import { createFromDateDelta } from '../../system/date';
 import { gate } from '../../system/decorators/gate';
 import { debug, getLogScope, log } from '../../system/decorators/log';
 import { memoize } from '../../system/decorators/memoize';
-import { once, wait } from '../../system/function';
+import { once } from '../../system/function';
 import { pluralize } from '../../system/string';
 import { openWalkthrough } from '../../system/utils';
 import { satisfies } from '../../system/version';