Don't install hubzilla on onion only systems

src/freedombone-app-hubzilla

@@ -167,6 +167,10 @@ function install_hubzilla {
 		return
 	fi
 
+	if [[ $ONION_ONLY != "no" ]]; then
+		return
+	fi
+
 	if grep -Fxq "install_hubzilla" $COMPLETION_FILE; then
 		return
 	fi