Lint fix

Author: schmidt-sebastian

packages/firestore/src/local/indexeddb_persistence.ts

@@ -45,7 +45,6 @@ import {
   DbPrimaryClient,
   DbPrimaryClientKey,
   DbTargetDocument,
-  DbTargetGlobal,
   SCHEMA_VERSION,
   SchemaConverter
 } from './indexeddb_schema';

packages/firestore/src/local/indexeddb_schema.ts

@@ -28,7 +28,6 @@ import {
   EncodedResourcePath
 } from './encoded_resource_path';
 import { removeMutationBatch } from './indexeddb_mutation_queue';
-import { getHighestListenSequenceNumber } from './indexeddb_target_cache';
 import { dbDocumentSize } from './indexeddb_remote_document_cache';
 import { LocalSerializer } from './local_serializer';
 import { MemoryCollectionParentIndex } from './memory_index_manager';

packages/firestore/src/local/indexeddb_target_cache.ts

@@ -29,8 +29,7 @@ import {
 } from './encoded_resource_path';
 import {
   IndexedDbLruDelegate,
-  IndexedDbPersistence,
-  IndexedDbTransaction
+  IndexedDbPersistence
 } from './indexeddb_persistence';
 import {
   DbTarget,
@@ -46,7 +45,7 @@ import { PersistenceTransaction } from './persistence';
 import { PersistencePromise } from './persistence_promise';
 import { TargetCache } from './target_cache';
 import { TargetData } from './target_data';
-import { SimpleDb, SimpleDbStore, SimpleDbTransaction } from './simple_db';
+import { SimpleDbStore } from './simple_db';
 import { Target } from '../core/target';
 
 export class IndexedDbTargetCache implements TargetCache {