removed a few unused imports

Author: Joachim Hofer

rxjava-core/src/main/java/rx/operators/OperationMostRecent.java

@@ -16,7 +16,6 @@
 package rx.operators;
 
 import static org.junit.Assert.*;
-import static org.mockito.Mockito.*;
 
 import java.util.Iterator;
 import java.util.concurrent.atomic.AtomicBoolean;
@@ -26,7 +25,6 @@
 
 import rx.Observable;
 import rx.Observer;
-import rx.Subscription;
 import rx.subjects.PublishSubject;
 import rx.subjects.Subject;
 import rx.util.Exceptions;

rxjava-core/src/main/java/rx/operators/OperationNext.java

@@ -16,7 +16,6 @@
 package rx.operators;
 
 import static org.junit.Assert.*;
-import static org.mockito.Mockito.*;
 
 import java.util.Iterator;
 import java.util.concurrent.ArrayBlockingQueue;

rxjava-core/src/test/java/rx/ObservableTests.java

@@ -35,7 +35,6 @@
 import rx.subscriptions.BooleanSubscription;
 import rx.subscriptions.Subscriptions;
 import rx.util.functions.Action1;
-import rx.util.functions.Func1;
 import rx.util.functions.Func2;
 
 public class ObservableTests {