From: Michael Hanke <mih@debian.org>
Subject: Remove unnecessary interpreter line from desktop file.

Without being executable it has no effect, and being executable is not necessary
for a desktop file.
--- a/src/program/kbibtex.desktop
+++ b/src/program/kbibtex.desktop
@@ -1,4 +1,3 @@
-#!/usr/bin/env xdg-open
 [Desktop Entry]
 Encoding=UTF-8
 Name=KBibTeX
