remove obsolete constant
remove obsolete constant

tcmulcahy/fb-adb,niedzielski/fb-adb,n054/fb-adb,biddyweb/fb-adb,0359xiaodong/fb-adb,0359xiaodong/fb-adb,niedzielski/fb-adb,biddyweb/fb-adb,JuudeDemos/fb-adb,JuudeDemos/fb-adb,0359xiaodong/fb-adb,biddyweb/fb-adb,tcmulcahy/fb-adb,JuudeDemos/fb-adb,n054/fb-adb,n054/fb-adb,tcmulcahy/fb-adb,niedzielski/fb-adb