SB-1475: simplify changeset

Author: evsikov

strongbox-db-liquibase/src/main/resources/db/changelog/v1.0.0/v1.0.0.21__ArtifactEntry.xml

@@ -6,12 +6,14 @@
 
     <changeSet id="v1.0.0.21" author="strongbox-dev@carlspring.com">
 
-        <o:changePropertyTypeDateToDatetime propertyName="created" className="ArtifactEntry"/>
+        <o:dropProperty className="ArtifactEntry" propertyName="created"/>
+        <o:createProperty className="ArtifactEntry" name="created" type="datetime"/>
 
-        <o:changePropertyTypeDateToDatetime propertyName="lastUpdated" className="ArtifactEntry"/>
-
-        <o:changePropertyTypeDateToDatetime propertyName="lastUsed" className="ArtifactEntry"/>
+        <o:dropProperty className="ArtifactEntry" propertyName="lastUsed"/>
+        <o:createProperty className="ArtifactEntry" name="lastUsed" type="datetime"/>
 
+        <o:dropProperty className="ArtifactEntry" propertyName="lastUpdated"/>
+        <o:createProperty className="ArtifactEntry" name="lastUpdated" type="datetime"/>
     </changeSet>
 
 </databaseChangeLog>