Remove unused method.
Remove unused method.

Pilarbrist/rhino,ashwinrayaprolu1984/rhino,sam/htmlunit-rhino-fork,ashwinrayaprolu1984/rhino,Angelfirenze/rhino,tejassaoji/RhinoCoarseTainting,Pilarbrist/rhino,AlexTrotsenko/rhino,tejassaoji/RhinoCoarseTainting,qhanam/rhino,tejassaoji/RhinoCoarseTainting,Angelfirenze/rhino,sainaen/rhino,tntim96/rhino-jscover,sainaen/rhino,AlexTrotsenko/rhino,jsdoc3/rhino,Pilarbrist/rhino,tntim96/rhino-jscover-repackaged,Angelfirenze/rhino,sainaen/rhino,tuchida/rhino,tntim96/rhino-apigee,AlexTrotsenko/rhino,tntim96/rhino-jscover,Pilarbrist/rhino,tuchida/rhino,tuchida/rhino,swannodette/rhino,lv7777/egit_test,InstantWebP2P/rhino-android,rasmuserik/rhino,ashwinrayaprolu1984/rhino,sainaen/rhino,swannodette/rhino,qhanam/rhino,tuchida/rhino,AlexTrotsenko/rhino,lv7777/egit_test,qhanam/rhino,lv7777/egit_test,Angelfirenze/rhino,sam/htmlunit-rhino-fork,rasmuserik/rhino,AlexTrotsenko/rhino,InstantWebP2P/rhino-android,ashwinrayaprolu1984/rhino,lv7777/egit_test,tntim96/rhino-apigee,tejassaoji/RhinoCoarseTainting,Distrotech/rhino,lv7777/egit_test,swannodette/rhino,Distrotech/rhino,AlexTrotsenko/rhino,swannodette/rhino,sainaen/rhino,jsdoc3/rhino,Angelfirenze/rhino,lv7777/egit_test,sainaen/rhino,swannodette/rhino,sam/htmlunit-rhino-fork,sam/htmlunit-rhino-fork,tejassaoji/RhinoCoarseTainting,AlexTrotsenko/rhino,swannodette/rhino,sam/htmlunit-rhino-fork,tuchida/rhino,Pilarbrist/rhino,tntim96/rhino-jscover-repackaged,tntim96/htmlunit-rhino-fork,ashwinrayaprolu1984/rhino,tuchida/rhino,lv7777/egit_test,tejassaoji/RhinoCoarseTainting,tejassaoji/RhinoCoarseTainting,tntim96/htmlunit-rhino-fork,tuchida/rhino,Angelfirenze/rhino,jsdoc3/rhino,sam/htmlunit-rhino-fork,ashwinrayaprolu1984/rhino,swannodette/rhino,qhanam/rhino,Angelfirenze/rhino,Pilarbrist/rhino,sainaen/rhino,sam/htmlunit-rhino-fork,ashwinrayaprolu1984/rhino,Pilarbrist/rhino,tntim96/rhino-apigee