Remove "with_relations" stable field since the msc is in an unstable state

matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/crypto/tasks/RedactEventTask.kt

@@ -56,7 +56,6 @@ internal class DefaultRedactEventTask @Inject constructor(
                     body = EventRedactBody(
                             reason = params.reason,
                             withRelations = withRelations,
-                            withRelationsUnstable = withRelations,
                     )
             )
         }

matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/session/room/send/LocalEchoEventFactory.kt

@@ -802,7 +802,6 @@ internal class LocalEchoEventFactory @Inject constructor(
             EventRedactBody(
                     reason = reason,
                     withRelations = withRelations,
-                    withRelationsUnstable = withRelations,
             ).toContent().plus(additionalContent.orEmpty())
         } else {
             additionalContent

matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/session/room/send/model/EventRedactBody.kt

@@ -1,5 +1,5 @@
 /*
- * Copyright 2021 The Matrix.org Foundation C.I.C.
+ * Copyright (c) 2023 New Vector Ltd
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -24,9 +24,6 @@ internal data class EventRedactBody(
         @Json(name = "reason")
         val reason: String? = null,
 
-        @Json(name = "with_relations")
-        val withRelations: List<String>? = null,
-
         @Json(name = "org.matrix.msc3912.with_relations")
-        val withRelationsUnstable: List<String>? = null,
+        val withRelations: List<String>? = null,
 )

matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/session/room/send/queue/QueueMemento.kt

@@ -118,7 +118,7 @@ internal class QueueMemento @Inject constructor(
                                                         eventId = it.redacts,
                                                         roomId = it.roomId,
                                                         reason = body?.reason,
-                                                        withRelations = body?.withRelations ?: body?.withRelationsUnstable
+                                                        withRelations = body?.withRelations,
                                                 )
                                         )
                                     }