[pybliographer] Remove unsupported 'type' parameter from links so yelp-check validates

[Andre Klapper <aklapper src gnome org>]

commit 5827746f295bda0f19f71261e7f45f4a0223e53f
Author: Andre Klapper <a9016009 gmx de>
Date:   Tue Sep 26 16:27:00 2017 +0200

    Remove unsupported 'type' parameter from links so yelp-check validates

 help/C/gui.page |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/help/C/gui.page b/help/C/gui.page
index fcf046e..638c224 100644
--- a/help/C/gui.page
+++ b/help/C/gui.page
@@ -29,8 +29,8 @@
     provides a simple access to the most common features of the underlying
     engine, <app>Pybliographer</app> and lets you search, sort and modify
     bibliographic entries. Moreover, direct insertion of references into 
-    <link href="http://www.lyx.org/"; type="http"><app>Lyx</app></link> and
-    <link href="http://kile.sourceforge.net/"; type="http"><app>Kile</app></link>,
+    <link href="http://www.lyx.org/";><app>Lyx</app></link> and
+    <link href="http://kile.sourceforge.net/";><app>Kile</app></link>,
     direct queries on Medline, and saving selected references in different
     formats are also possible.
   </p>