New translations: class.xml (Slovak)

translation/dest/class/sk-SK.xml

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <resources>
-  <string name="lichessClasses" comment="Lichess Classes are a feature that lets a teacher create virtual classes and check out students' progress.&#10;&#10;This text used to be &quot;Lichess Classes&quot;, which has since been shortened to classes.">Triedy</string>
+  <string name="lichessClasses">Triedy</string>
   <string name="teachClassesOfChessStudents">Učte triedy šachových študentov so súpravou nástrojov na Lichess výučbu.</string>
   <string name="features">Funkcie</string>
   <string name="quicklyGenerateSafeUsernames">Rýchlo vygenerovať bezpečné prihlasovacie mená a heslá pre študentov</string>