i18n: Sync translations from Transifex

Thanks as always to our kind volunteer translators.

Author: gnprice

static/translations/messages_cs.json

@@ -229,7 +229,7 @@
   "🌴 Vacationing": "🌴 Dovolená",
   "🏠 Working remotely": "🏠 Práce na dálku",
   "Signed out": "Odhlášen",
-  "Remove account?": "Remove account?",
-  "This will make the mobile app on this device forget {email} on {realmUrl}.": "This will make the mobile app on this device forget {email} on {realmUrl}.",
-  "Remove account": "Remove account"
+  "Remove account?": "Odstranit účet?",
+  "This will make the mobile app on this device forget {email} on {realmUrl}.": "Díky tomu mobilní aplikace v tomto zařízení zapomene {email} na {realmUrl}.",
+  "Remove account": "Odstranit účet"
 }