The following transformation instruction drops the domainRegSubscription nodes from Platform XML:
<?xml version="1.0" encoding="UTF-8"?>
<xsl:stylesheet
xmlns="http://www.parallels.com/psa/migration/platform"
xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
version="1.0" >
<!--Common part-->
<xsl:output method="xml" indent="yes" encoding="UTF-8" />
<xsl:strip-space elements="*"/>
<xsl:template match="@*|node()">
<xsl:copy>
<xsl:apply-templates select="@*|node()" />
</xsl:copy>
</xsl:template>
<!--Custom part-->
<xsl:template match="domainRegSubscription"/>
</xsl:stylesheet>