Correct @context, remove DC vocabulary

Author: tomschr

suse2022-ns/xhtml/json-ld.xsl

@@ -181,9 +181,7 @@
   <xsl:template name="generate-json-content">
     <xsl:param name="node"/>
 {
-    "@context": [ "http://schema.org",
-      {"dc": "http://purl.org/dc/terms/"}
-    ],
+    "@context": "http://schema.org",
     "@type": ["TechArticle", "SoftwareApplication"],
 
         <xsl:call-template name="json-ld-headline">