Revert "Add hhvm checking"
Revert "Add hhvm checking"

This reverts commit a48e2a97d1130f248c81412470acb85a36b90185.
wizardaf/Elkarte,wizardaf/Elkarte,Spuds/Elkarte,nwsw/Elkarte,StealthWombat/How-to-fork-an-Elk,StealthWombat/How-to-fork-an-Elk,emanuele45/Dialogo,nwsw/Elkarte,interlab/Elkarte,elkarte/Elkarte,joshuaadickerson/Elkarte2,nwsw/Elkarte,wizardaf/Elkarte,interlab/Elkarte,StealthWombat/How-to-fork-an-Elk,Spuds/Elkarte,emanuele45/Dialogo,interlab/Elkarte,elkarte/Elkarte,Spuds/Elkarte,elkarte/Elkarte,joshuaadickerson/Elkarte2,joshuaadickerson/Elkarte2,StealthWombat/How-to-fork-an-Elk,wizardaf/Elkarte,emanuele45/Dialogo,joshuaadickerson/Elkarte2