change java Throwable to kotlin throwable

Author: Zellius

rxlocationmanager-rxjava2/src/test/kotlin/ru/solodovnikov/rx2locationmanager/RxLocationManager2Test.kt

@@ -5,8 +5,6 @@ import android.location.Location
 import android.location.LocationListener
 import android.location.LocationManager
 import android.os.Build
-import io.reactivex.Maybe
-import io.reactivex.MaybeTransformer
 import io.reactivex.schedulers.Schedulers
 import org.junit.Before
 import org.junit.Test
@@ -17,7 +15,6 @@ import org.mockito.Mockito.*
 import org.mockito.MockitoAnnotations
 import org.robolectric.RobolectricTestRunner
 import org.robolectric.annotation.Config
-import java.lang.Throwable
 import java.util.*
 import java.util.concurrent.TimeUnit
 import java.util.concurrent.TimeoutException