Revert "Set Paid date, if status is set to Paid."
Revert "Set Paid date, if status is set to Paid."

This reverts commit ae04f67cdd44fa80aa4b068917dcd087345abe2c.

This wasn't tested properly before adding it. It broke heaps of stuff. :D

bummzack/silverstripe-shop,StephenHonor/silverstripe-shop,burnbright/silverstripe-shop,webtorque7/silverstripe-shop,StephenHonor/silverstripe-shop,markguinn/silverstripe-shop,hpeide/silverstripe-shop,burnbright/silverstripe-shop,silvershop/silvershop-core,mediabeastnz/silverstripe-shop,mediabeastnz/silverstripe-shop,bummzack/silverstripe-shop,hailwood/silverstripe-shop,webtorque7/silverstripe-shop,bummzack/silverstripe-shop,markguinn/silverstripe-shop,burnbright/silverstripe-shop,StephenHonor/silverstripe-shop,hailwood/silverstripe-shop,markguinn/silverstripe-shop,hailwood/silverstripe-shop,webtorque7/silverstripe-shop,mediabeastnz/silverstripe-shop