Remove any already existing onion service

src/freedombone-app-rss

 
 function install_rss_main {
     function_check remove_onion_service
-    remove_onion_service ttrss ${RSS_READER_ONION_PORT} ${RSS_MOBILE_READER_ONION_PORT
+    remove_onion_service ttrss ${RSS_READER_ONION_PORT} ${RSS_MOBILE_READER_ONION_PORT}
 
     apt-get -yq install php-gettext php5-curl php5-gd php5-mysql git
     apt-get -yq install curl php-xml-parser php5-mcrypt