remove src changes

Author: nbbeeken

src/mongo_client.ts

@@ -673,23 +673,6 @@ export class MongoClient extends TypedEventEmitter<MongoClientEvents> {
   getLogger(): Logger {
     return this.s.logger;
   }
-
-  /** @internal */
-  async endSessions(sessions: Iterable<ServerSession>) {
-    if (this.topology == null) {
-      return;
-    }
-
-    const endSessions = Array.from(sessions, ({ id }) => id);
-
-    if (endSessions.length <= 0) {
-      return;
-    }
-
-    await this.db('admin')
-      .command({ endSessions }, { readPreference: ReadPreference.primaryPreferred })
-      .catch(() => null);
-  }
 }
 
 /**

src/sdam/topology.ts

@@ -735,19 +735,6 @@ export class Topology extends TypedEventEmitter<TopologyEvents> {
   set clusterTime(clusterTime: ClusterTime | undefined) {
     this.s.clusterTime = clusterTime;
   }
-
-  async destroy(options: DestroyOptions) {
-    await Promise.all(
-      Array.from(this.s.servers.values(), server => promisify(destroyServer)(server, this, options))
-    );
-
-    this.s.servers.clear();
-
-    // emit an event for close
-    this.emit(Topology.TOPOLOGY_CLOSED, new TopologyClosedEvent(this.s.id));
-
-    stateTransition(this, STATE_CLOSED);
-  }
 }
 
 /** Destroys a server, and removes all event listeners from the instance */

src/sessions.ts

@@ -880,11 +880,6 @@ export class ServerSession {
 export class ServerSessionPool {
   client: MongoClient;
   sessions: ServerSession[];
-  /**
-   * We keep a reference to the sessions that are acquired from the pool
-   * so we can end them at client.close time. This may be incorrect.
-   */
-  activeSessions: Set<ServerSession>;
 
   constructor(client: MongoClient) {
     if (client == null) {