SDK 0.1.49: notification decryption is now fully handled by the Rust SDK. (#1231)

* Revert "Ensure the sync is started when receiving a Push, to ensure that the encryption loop is running."

This reverts commit 82f6f358a7.

* Integrate SDK from https://github.com/matrix-org/matrix-rust-sdk/pull/2505

* Enable retryDecryption() on the NotificationClient.

* SDK 0.1.49 - Encryption Sync is enabled by default now, and retryDecryption is the default too.

* Remove feature flag `UseEncryptionSync`

* Fix sample project build

* Exclude `DeveloperSettingsPresenter` from kover verification.

* Add changelog

---------

Co-authored-by: Jorge Martín <jorgem@element.io>

libraries/featureflag/api/src/main/kotlin/io/element/android/libraries/featureflag/api/FeatureFlags.kt

@@ -31,10 +31,4 @@ enum class FeatureFlags(
         title = "Polls",
         description = "Create poll and render poll events in the timeline",
     ),
-    UseEncryptionSync(
-        key = "feature.useencryptionsync",
-        title = "Use encryption sync",
-        description = "Use the encryption sync API for decrypting notifications.",
-        defaultValue = true,
-    )
 }