removing need for dh-exec for now

debian/control

@@ -5,7 +5,6 @@ Maintainer: Lubuntu Developers <lubuntu-devel@lists.ubuntu.com>
 Uploaders: Walter Lapchynski <wxl@ubuntu.com>
 Build-Depends: cmake (>= 2.8.11),
                debhelper (>= 11),
-               dh-exec,
                git,
                gpg-agent,
                libgpg-error-dev,

debian/trojita.install

@@ -1,5 +1,4 @@
-#! /usr/bin/dh-exec
 usr/binbe.contacts
 usr/bin/trojita
 usr/lib/*/libtrojita_plugins.so*
-trojita-DesktopGui.desktop => /usr/share/applications/trojita.desktop
+usr/share/applications/trojita.desktop