Removing `` from bbb conf commands.

update-bbb.sh

@@ -12,5 +12,5 @@ fi
 BBB_WEB_URL=$(cat ${SERVLET_DIR}/WEB-INF/classes/bigbluebutton.properties | grep -v '#' | sed -n '/^bigbluebutton.web.serverURL/{s/.*=//;p}')
 RESULT=$(echo $BBB_WEB_URL | awk 'sub(/^.{8}/,"")')
 
-`bbb-conf --setip $RESULT`
-`bbb-conf --restart`
+bbb-conf --setip $RESULT
+bbb-conf --restart