gnucash maint: [receipt] remove dead code

[Christopher Lam]

Updated	 via  https://github.com/Gnucash/gnucash/commit/bbee48ce (commit)
	from  https://github.com/Gnucash/gnucash/commit/8913e932 (commit)



commit bbee48cec4f15b396fe7f0578a0c64c80793aeb5
Author: Christopher Lam <christopher.lck at gmail.com>
Date:   Sun Apr 5 21:05:15 2020 +0800

    [receipt] remove dead code
    
    * taxrate in unused; it was copied as-is from taxinvoice.scm
    * customers-only has never been in use



Summary of changes:
 gnucash/report/business-reports/receipt.scm | 49 +----------------------------
 1 file changed, 1 insertion(+), 48 deletions(-)