remove @mozvr from README
remove @mozvr from README

msimpson/aframe,msimpson/aframe,fernandojsg/aframe,aframevr/aframe,MatthewShotton/aframe,weddingdj/aframe,aframevr/aframe-core,chenzlabs/aframe,jzitelli/aframe,googlecreativelab/aframe,aframevr/aframe-core,jaxmolina/ar,jzitelli/aframe,RSpace/aframe,darkwing/aframe,ngokevin/aframe,dmarcos/aframe,weddingdj/aframe,ngokevin/aframe,wizgrav/aframe,RSpace/aframe,dmarcos/aframe,aframevr/aframe,wizgrav/aframe,mkungla/aframe,googlecreativelab/aframe,MatthewShotton/aframe,mkungla/aframe,jaxmolina/ar,darkwing/aframe,fernandojsg/aframe,chenzlabs/aframe