Fix translation with non-existent locales

src/invidious/helpers/i18n.cr

@@ -3,15 +3,11 @@ def load_locale(name)
 end
 
 def translate(locale : Hash(String, JSON::Any) | Nil, translation : String, text : String | Nil = nil)
-  if !locale
-    return translation
-  end
-
   # if !locale[translation]?
   #   puts "Could not find translation for #{translation}"
   # end
 
-  if locale[translation]? && !locale[translation].as_s.empty?
+  if locale && locale[translation]? && !locale[translation].as_s.empty?
     translation = locale[translation].as_s
   end