Removed unit test for deprecated Texture cache functions (#3970)
Removed unit test for deprecated Texture cache functions (#3970)


lucap86/pixi.js,finscn/pixi.js,ceco-fmedia/pixi.js,staff0rd/pixi.js,bma73/pixi.js,jojuntune/pixi.js,Makio64/pixi.js,ceco-fmedia/pixi.js,Makio64/pixi.js,staff0rd/pixi.js,englercj/pixi.js,englercj/pixi.js,sfinktah/pixi.js,finscn/pixi.js,lucap86/pixi.js,Cristy94/pixi.js,bma73/pixi.js,themoonrat/pixi.js,Cristy94/pixi.js,jojuntune/pixi.js,sfinktah/pixi.js,themoonrat/pixi.js