dataconnect: Remove obsolete "alpha" release notes from the kdoc comments of FirebaseDataConnect

Author: dconeybe

firebase-dataconnect/src/main/kotlin/com/google/firebase/dataconnect/FirebaseDataConnect.kt

@@ -82,44 +82,6 @@ import kotlinx.serialization.modules.SerializersModule
  * deserializers for classes annotated with `@Serializable`. Of course, applications are free to
  * write the serializers by hand as well.
  *
- * ### Release Notes
- *
- * Release notes for the Firebase Data Connect Android SDK will be published here until it is merged
- * into the `master` branch of https://github.com/firebase/firebase-android-sdk, at which point the
- * release notes will become part of the regular Android SDK releases.
- *
- * #### 16.0.0-alpha05 (June 24, 2024)
- * - [#6003](https://github.com/firebase/firebase-android-sdk/pull/6003]) Fixed [close] to
- * _actually_ close the underlying grpc network resources. Also, added [suspendingClose] to allow
- * callers to wait for the asynchronous closing work to complete, such as in integration tests.
- * - [#6005](https://github.com/firebase/firebase-android-sdk/pull/6005) Fixed a StrictMode
- * violation upon the first network request being sent.
- * - [#6006](https://github.com/firebase/firebase-android-sdk/pull/6006) Improved debug logging of
- * GRPC requests and responses.
- * - [#6038](https://github.com/firebase/firebase-android-sdk/pull/6038) Fixed a bug with incorrect
- * Timestamp serialization due to miscalculation in timezone decoding.
- * - [#6052](https://github.com/firebase/firebase-android-sdk/pull/6052) Automatically retry
- * operations (queries and mutations) that fail due to an expired authentication token, with a new
- * authentication token.
- *
- * #### 16.0.0-alpha04 (May 29, 2024)
- * - [#5976](https://github.com/firebase/firebase-android-sdk/pull/5976) Fixed time zone issues when
- * serializing java.util.Date objects
- * - [#5996](https://github.com/firebase/firebase-android-sdk/pull/5996) Changed default port of
- * useEmulator() to 9399 (was 9510); this goes with a change to the Data Connect Emulator v1.1.19
- * (firebase-tools v13.10.2) that changes the default port to 9399.
- *
- * #### 16.0.0-alpha03 (May 15, 2024)
- * - KDoc comments added.
- * - OptionalVariable: fix potential NullPointerException in toString() and hashCode().
- * - TimestampSerializer: add support for time zones specified using +HH:MM or -HH:MM.
- *
- * #### 16.0.0-alpha02 (May 13, 2024)
- * - Internal code cleanup; no externally-visible changes.
- *
- * #### 16.0.0-alpha01 (May 08, 2024)
- * - Initial release.
- *
  * ### Safe for Concurrent Use
  *
  * All methods and properties of [FirebaseDataConnect] are thread-safe and may be safely called