Bug 34169: (follow-up) Fix ordering from staged files by removing superfluous form

Bug 34169: (follow-up) Fix ordering from staged files by removing superfluous form

Removes the unneded new form element as we have one big form for the whole page.

This should fix the situation where only the prices and information
of the first selected record carreid over into the order.

Signed-off-by: Nick Clemens <nick@bywatersolutions.com>
Signed-off-by: Tomas Cohen Arazi <tomascohen@theke.io>
(cherry picked from commit 71377c5e7bd1ecf7731f3891455a5b8fdb461736)
Signed-off-by: Fridolin Somers <fridolin.somers@biblibre.com>