remove duplicate Horde entry

README.md

@@ -136,7 +136,6 @@ For preconfigured mail server solutions, see [Self-hosting Solutions](#self-host
 
   * [Cypht](http://cypht.org/index.html) - A feed reader for your email accounts - `GPL`
   * [Dovecot](http://www.dovecot.org/) - IMAP and POP3 email server, written with security primarily in mind ([Source code](http://hg.dovecot.org/)) `MIT/LGPLv2` `C`
-  * [Horde](http://www.horde.org) - Webmail and groupware client.
   * [Mailpile](https://www.mailpile.is/) - Webmail client with search, filtering, encryption features and more ([Source code](https://github.com/mailpile/Mailpile)) `AGPLv3` `Python`
   * [RainLoop](http://www.rainloop.net/) - Simple, modern & fast webmail with IMAP/SMTP Support and multi accounting. ([Demo](http://demo.rainloop.net/), [Source code](https://github.com/RainLoop/rainloop-webmail)). `AGPLv3` `PHP`
   * [Roundcube](https://roundcube.net) - Browser-based IMAP client with an application-like user interface. ([Screenshots](https://roundcube.net/screens/)) ([Source code](https://github.com/roundcube/roundcubemail/)) `GPLv3` `PHP`
@@ -356,7 +355,7 @@ Some [Groupware](#groupware) solutions also feature file sharing synchronization
   * [Citadel](http://www.citadel.org/doku.php) - Groupware including email, calendar/scheduling, address books, forums, mailing lists, IM, wiki and blog engines, RSS aggregation and more ([Source code](http://www.citadel.org/doku.php/installation:source)) `GPLv3` `C`
   * [Cozy Cloud](https://cozy.io) - A personal cloud where you can read your emails or manage and sync your contact, files or calendars, with an app store full of community contributions ([Source Code](https://github.com/cozy)) - `GPLv3` `Nodejs`
   * [egroupware](http://www.egroupware.org/) - Software suite including calendars, address books, notepad, project management tools, client relationship management tools (CRM), knowledge management tools, a wiki and a CMS.
-  * [Horde](http://www.horde.org/) - The Horde Project is about creating high quality Open Source applications and libraries, based on PHP and the Horde Framework. - `GPL` + Various Free Software / Open Source Software Licenses
+  * [Horde](http://www.horde.org/) - The Horde Project is about creating high quality Open Source applications and libraries, based on PHP and the Horde Framework. - `GPL`
   * [Kolab](https://kolab.org/) - Kolab community is a unified communication and collaboration system - `Various FLOSS Licenses` ([Source](http://git.kolab.org/))
   * [ownCloud](https://owncloud.org/) - All-in-one solution for saving, synchronizing, viewing, editing and sharing files, calendars, address books and more - `AGPLv3` `PHP`
   * [Sogo](http://www.sogo.nu/) - SOGo offers multiple ways to access the calendaring and messaging data. CalDAV, CardDAV, GroupDAV, as well as ActiveSync, including native Outlook compatibility and web interface. ([Demo](http://www.sogo.nu/tour/online_demo.html), [Source Code](http://www.sogo.nu/development/source_code.html)) `GPLv1/LGPLv2` `Objective-C`