Fixing a bad import

Author: rpmoore

ds3-sdk/src/main/java/com/spectralogic/ds3client/Ds3ClientBuilder.java

@@ -17,7 +17,6 @@
 
 import com.spectralogic.ds3client.models.Credentials;
 import com.spectralogic.ds3client.networking.NetworkClient;
-import com.spectralogic.ds3client.networking.NetworkClientImpl;
 import com.spectralogic.ds3client.utils.Builder;
 import com.spectralogic.ds3client.utils.Guard;
 import org.slf4j.Logger;