ref: Do not keep previousSessionId

We do not need it right now

packages/replay/src/replay.ts

@@ -107,9 +107,6 @@ export class ReplayContainer implements ReplayContainerInterface {
   private _debouncedFlush: ReturnType<typeof debounce>;
   private _flushLock: Promise<unknown> | null = null;
 
-  /** We keep this here in order to be able to connect sessions after .stop() is called. */
-  private _previousSessionId: string | undefined;
-
   /**
    * Is the integration currently active?
    */
@@ -327,7 +324,6 @@ export class ReplayContainer implements ReplayContainerInterface {
       this.eventBuffer = null;
 
       // Clear session from session storage
-      this._previousSessionId = this.getSessionId();
       clearSession(this);
     } catch (err) {
       this._handleException(err);
@@ -570,7 +566,6 @@ export class ReplayContainer implements ReplayContainerInterface {
    */
   private _initializeSession(sampled: Sampled, { forceSampled = false }: { forceSampled?: boolean } = {}): void {
     const { stickySession } = this._options;
-    const previousSessionId = this._previousSessionId;
 
     // If neither sample rate is > 0, then do nothing - user will need to call one of
     // `start()` or `startBuffering` themselves.
@@ -586,14 +581,6 @@ export class ReplayContainer implements ReplayContainerInterface {
     }
 
     this.session = session;
-
-    // If previously a session was stopped, we temp. store the previousSessionId on the replay container.
-    // If this is set, we restore it when initializing a new session
-    if (previousSessionId) {
-      this.session.previousSessionId = previousSessionId;
-      this._maybeSaveSession();
-    }
-
     this.recordingMode = this.session.sampled === 'buffer' ? 'buffer' : 'session';
 
     return;

packages/replay/src/types/replay.ts

@@ -338,12 +338,6 @@ export interface Session {
    */
   segmentId: number;
 
-  /**
-   * The ID of the previous session.
-   * If this is empty, there was no previous session.
-   */
-  previousSessionId?: string;
-
   /**
    * Is the session sampled? `false` if not sampled, otherwise, `session` or `buffer`
    */