Drop headings for asset list in invoices.
Drop headings for asset list in invoices.

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