Desktop: cleanup

- remove blank lines introduced by Transifex
 - restore 8ee4cc19 which was dropped when re-importing translations

calamares.desktop

@@ -1,7 +1,7 @@
 [Desktop Entry]
 Type=Application
 Version=1.0
-Name=Calamares
+Name=Install System
 GenericName=System Installer
 Keywords=calamares;system;installer
 TryExec=calamares
@@ -11,20 +11,6 @@ Icon=calamares
 Terminal=false
 StartupNotify=true
 Categories=Qt;System;
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 Name[bg]=Calamares
 Icon[bg]=calamares
 GenericName[bg]=Системен Инсталатор