Remove the Saxon pluigin from the feature.
diff --git a/features/org.eclipse.wst.xsl.feature/feature.xml b/features/org.eclipse.wst.xsl.feature/feature.xml
index 84771f5..7fa1aa6 100644
--- a/features/org.eclipse.wst.xsl.feature/feature.xml
+++ b/features/org.eclipse.wst.xsl.feature/feature.xml
@@ -54,10 +54,4 @@
          install-size="0"
          version="0.0.0"/>
 
-   <plugin
-         id="org.eclipse.wst.xsl.saxon"
-         download-size="0"
-         install-size="0"
-         version="0.0.0"/>
-
 </feature>