Format some imports using fix_imports.py

Unfortunately this tool isn't smart enough to deal with the assertThat
situation (which has two static imports of a function with the same name).

-------------
Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=172000753

java/google/registry/model/host/HostInfoData.java

@@ -26,7 +26,6 @@ import javax.xml.bind.annotation.XmlRootElement;
 import javax.xml.bind.annotation.XmlType;
 import org.joda.time.DateTime;
 
-
 /** The {@link ResponseData} returned for an EPP info flow on a host. */
 @XmlRootElement(name = "infData")
 @XmlType(propOrder = {