Don't check if a future is done in thrift page src
This check is unnecessary because all current callers of this method
are doing it.
@@ -181,7 +181,7 @@ public class ThriftPageSource
@Override
public CompletableFuture<?> isBlocked()
{
- return future == null || future.isDone() ? NOT_BLOCKED : future;
+ return future == null ? NOT_BLOCKED : future;
}
@Override
