Drop unused JS function calculateAmount.
Drop unused JS function calculateAmount.

gaapt/bookyt,hauledev/bookyt,gaapt/bookyt,silvermind/bookyt,silvermind/bookyt,huerlisi/bookyt,huerlisi/bookyt,huerlisi/bookyt,hauledev/bookyt,wtag/bookyt,xuewenfei/bookyt,silvermind/bookyt,silvermind/bookyt,xuewenfei/bookyt,hauledev/bookyt,hauledev/bookyt,wtag/bookyt,xuewenfei/bookyt,gaapt/bookyt,gaapt/bookyt,wtag/bookyt