Clean code

matrix-sdk-android/src/main/java/im/vector/matrix/android/api/session/room/model/RoomSummary.kt

@@ -63,5 +63,3 @@ data class RoomSummary constructor(
         const val NOT_IN_BREADCRUMBS = -1
     }
 }
-
-

matrix-sdk-android/src/main/java/im/vector/matrix/android/internal/database/mapper/EventMapper.kt

@@ -32,7 +32,7 @@ internal object EventMapper {
         val uds = if (event.unsignedData == null) null
         else MoshiProvider.providesMoshi().adapter(UnsignedData::class.java).toJson(event.unsignedData)
         val eventEntity = EventEntity()
-        //TODO change this as we shouldn't use event everywhere
+        // TODO change this as we shouldn't use event everywhere
         eventEntity.eventId = event.eventId ?: "$roomId-${System.currentTimeMillis()}-${event.hashCode()}"
         eventEntity.roomId = event.roomId ?: roomId
         eventEntity.content = ContentMapper.map(event.content)

matrix-sdk-android/src/main/java/im/vector/matrix/android/internal/database/model/EventEntity.kt

@@ -22,7 +22,6 @@ import im.vector.matrix.android.internal.crypto.algorithms.olm.OlmDecryptionResu
 import im.vector.matrix.android.internal.di.MoshiProvider
 import io.realm.RealmObject
 import io.realm.annotations.Index
-import io.realm.annotations.PrimaryKey
 
 internal open class EventEntity(@Index var eventId: String = "",
                                 @Index var roomId: String = "",