remove cache

* remove cache, cache setup is not easy, todays servers do not really
* need it anymore
* add prototypes and fix parameter issues
* suppress redefinition

website/agenda/upload_playout.cgi

@@ -1,7 +1,8 @@
-#! /usr/bin/perl -w
+#!/usr/bin/perl
 
-use warnings "all";
 use strict;
+use warnings;
+no warnings 'redefine';
 
 use Data::Dumper;