Release tranche of breaking changes (#4963)

* Remove deprecated `IJoinRoomOpts.syncRoom` option (#4914)

This option is non-functional, and was deprecated in
https://github.com/matrix-org/matrix-js-sdk/pull/4913. Remove it altogether.

* Remove support for `onlyData != true` (#4939)

* Remove deprecated fields, methods, utilities (#4959)

---------

Co-authored-by: Richard van der Hoff <1389908+richvdh@users.noreply.github.com>
Co-authored-by: Richard van der Hoff <richard@matrix.org>

src/matrixrtc/MatrixRTCSession.ts

@@ -109,8 +109,6 @@ export interface MembershipConfig {
      * This is what goes into the m.rtc.member event expiry field and is typically set to a number of hours.
      */
     membershipEventExpiryMs?: number;
-    /** @deprecated renamed to `membershipEventExpiryMs`*/
-    membershipExpiryTimeout?: number;
 
     /**
      * The time in (in milliseconds) which the manager will prematurely send the updated state event before the membership `expires` time to make sure it
@@ -122,23 +120,17 @@ export interface MembershipConfig {
      * This value does not have an effect on the value of `SessionMembershipData.expires`.
      */
     membershipEventExpiryHeadroomMs?: number;
-    /** @deprecated  renamed to `membershipEventExpiryHeadroomMs`*/
-    membershipExpiryTimeoutHeadroom?: number;
 
     /**
      * The timeout (in milliseconds) with which the deleayed leave event on the server is configured.
      * After this time the server will set the event to the disconnected stat if it has not received a keep-alive from the client.
      */
     delayedLeaveEventDelayMs?: number;
-    /** @deprecated renamed to `delayedLeaveEventDelayMs`*/
-    membershipServerSideExpiryTimeout?: number;
 
     /**
      * The interval (in milliseconds) in which the client will send membership keep-alives to the server.
      */
     delayedLeaveEventRestartMs?: number;
-    /** @deprecated renamed to `delayedLeaveEventRestartMs`*/
-    membershipKeepAlivePeriod?: number;
 
     /**
      * The maximum number of retries that the manager will do for delayed event sending/updating and state event sending when a server rate limit has been hit.
@@ -156,9 +148,6 @@ export interface MembershipConfig {
      */
     networkErrorRetryMs?: number;
 
-    /** @deprecated renamed to `networkErrorRetryMs`*/
-    callMemberEventRetryDelayMinimum?: number;
-
     /**
      * If true, use the new to-device transport for sending encryption keys.
      */