Remove unnecessary pkg-ref from Distribution.xml.

Distribution.xml

@@ -1,7 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <installer-gui-script minSpecVersion="2">
 	<title>VCV Rack 2 Free</title>
-	<pkg-ref id="com.vcvrack.rack"/>
 
 	<allowed-os-versions>
 		<os-version min="10.9"/>
@@ -17,6 +16,5 @@
 	<choice id="com.vcvrack.rack" title="Standalone" enabled="false">
 		<pkg-ref id="com.vcvrack.rack"/>
 	</choice>
-
 	<pkg-ref id="com.vcvrack.rack" version="0" onConclusion="none">Component.pkg</pkg-ref>
 </installer-gui-script>