Clean stale autostart source references from translations

po/ko.po

@@ -15,11 +15,9 @@ msgstr ""
 "Content-Transfer-Encoding: 8bit\n"
 "Plural-Forms: nplurals=1; plural=0;\n"
 
-#: cthulhu-autostart.desktop.in:3
 msgid "Cthulhu Screen Reader"
 msgstr "Cthulhu 화면 낭독기"
 
-#: cthulhu-autostart.desktop.in:11
 msgid "screen;reader;accessibility;speech;braille;"
 msgstr "화면;리더;접근성;음성;점자;"