Update danish (da) translation again

Author: scootergrisen

po/da.po

@@ -18,7 +18,7 @@ msgstr ""
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Plural-Forms: nplurals=2; plural=(n != 1);\n"
-"X-Generator: Virtaal 0.7.1\n"
+"X-Generator:\n"
 
 #: ../share/applications/virtaal.desktop.in.h:1
 #: ../share/virtaal/virtaal.ui.h:18 ../virtaal/support/native_widgets.py:103