remove useless nil check

Author: laurelfan

dashboard/app/models/script.rb

@@ -78,15 +78,13 @@ def self.redis
   end
 
   def self.script_cache_from_redis
-    return unless redis
     if marshalled = self.redis['script-cache']
       Script.connection # rails doesn't load the mysql libraries unless you ask it to, this confuses Marshal
       Marshal.load marshalled
     end
   end
 
   def self.script_cache_to_redis
-    return unless redis
     redis['script-cache'] = Marshal.dump(script_cache_from_db)
   end