Remove libcanberra

Author: tintou

debian/control

@@ -7,8 +7,6 @@ Build-Depends: debhelper (>= 10.5.1),
                gettext (>= 0.19.6),
                gsettings-desktop-schemas-dev,
                libatk-bridge2.0-dev,
-               libcanberra-dev,
-               libcanberra-gtk3-dev,
                libgee-0.8-dev,
                libgexiv2-dev,
                libglib2.0-dev (>= 2.44),