remove unused import

Author: Alexandre Dutra

core/src/test/java/com/datastax/oss/driver/internal/core/metadata/DefaultTopologyMonitorTest.java

@@ -36,7 +36,6 @@
 import com.datastax.oss.driver.api.core.config.DefaultDriverOption;
 import com.datastax.oss.driver.api.core.config.DriverConfig;
 import com.datastax.oss.driver.api.core.config.DriverExecutionProfile;
-import com.datastax.oss.driver.api.core.metadata.EndPoint;
 import com.datastax.oss.driver.internal.core.addresstranslation.PassThroughAddressTranslator;
 import com.datastax.oss.driver.internal.core.adminrequest.AdminResult;
 import com.datastax.oss.driver.internal.core.adminrequest.AdminRow;