Fix plural form of translations.

The leading '_n: ' should not be part of the translations.

Signed-off-by: Slávek Banko <slavek.banko@axis.cz>
(cherry picked from commit f681dcde81)

translations/ka/messages/ktorrent.po

@@ -1055,7 +1055,7 @@ msgid ""
 "_n: 1 day \n"
 "%n days "
 msgstr ""
-"_n: 1 day \n"
+"1 day \n"
 "%n დღე"
 
 #: libktorrent/migrate/ccmigrate.cpp:119 libktorrent/migrate/ccmigrate.cpp:125