remove wrong copryright notice
remove wrong copryright notice

this file was introduced after Werner moved the module to Vox Pupuli.
Proof:
https://github.com/voxpupuli/puppet-zabbix/commit/a41669a16a3c44ef68f6dd7b2a5cc027691262de

bastelfreak/puppet-zabbix,voxpupuli/puppet-zabbix,bastelfreak/puppet-zabbix,SoftcomInc/puppet-zabbix,SoftcomInc/puppet-zabbix,voxpupuli/puppet-zabbix,tux-o-matic/puppet-zabbix,bastelfreak/puppet-zabbix,tux-o-matic/puppet-zabbix,SoftcomInc/puppet-zabbix,tux-o-matic/puppet-zabbix,voxpupuli/puppet-zabbix