How to remove power by joomsocial in email?

If anyone use the version joomsocial 2.6, which runs onjoomla 2.5.x, you easily find that in all emails contain the sentence "power by joomsocial" above the line of copyright.

It takes long time to look around, but people say that you must by pro version to get rid of it.

I look back again the code, and I finally think about listbingo component, maybe it has the same technique, and i'm right. It 's all in CTemplate like in GTemplate of listbingo.

Now I will show you how to remove it. Open the file components/com_community/library/template.php. Go to line 308 and remove the code:

1.if (!COMMUNITY_PRO_VERSION) {

2.//POWERED BY LINK//

3.$jConfig = JFactory::getConfig();

4.$siteName = $jConfig->getValue( 'sitename' );

5.$powerBy = 'Powered by http://www.jomsocial.com/">JomSocial for . JURI::root() . '">' .$siteName . '';

6.}

Test again, everything 's done. Hope this is helpful for you.