remove unused code that was the subject of varargs warnings, remove unused import

Author: davidmoten

src/main/java/rx/internal/util/SubscriptionIndexedRingBuffer.java

@@ -35,12 +35,6 @@ public final class SubscriptionIndexedRingBuffer<T extends Subscription> impleme
     public SubscriptionIndexedRingBuffer() {
     }
 
-    public SubscriptionIndexedRingBuffer(final T... subscriptions) {
-        for (T t : subscriptions) {
-            this.subscriptions.add(t);
-        }
-    }
-
     @Override
     public boolean isUnsubscribed() {
         return unsubscribed == 1;

src/main/java/rx/internal/util/SubscriptionRandomList.java

@@ -16,14 +16,13 @@
 package rx.internal.util;
 
 import java.util.ArrayList;
-import java.util.Arrays;
 import java.util.Collection;
 import java.util.HashSet;
 import java.util.List;
 import java.util.Set;
 
 import rx.Subscription;
-import rx.exceptions.*;
+import rx.exceptions.Exceptions;
 import rx.functions.Action1;
 
 /**
@@ -39,10 +38,6 @@ public final class SubscriptionRandomList<T extends Subscription> implements Sub
     public SubscriptionRandomList() {
     }
 
-    public SubscriptionRandomList(final T... subscriptions) {
-        this.subscriptions = new HashSet<T>(Arrays.asList(subscriptions));
-    }
-
     @Override
     public synchronized boolean isUnsubscribed() {
         return unsubscribed;

src/main/java/rx/plugins/RxJavaErrorHandler.java

@@ -19,7 +19,6 @@
 import rx.Subscriber;
 import rx.annotations.Experimental;
 import rx.exceptions.Exceptions;
-import rx.exceptions.OnErrorThrowable;
 
 /**
  * Abstract class for defining error handling logic in addition to the normal