We need a version of deleteBuns that doesn't fail if a to-be-deleted BUN isn't present in the BAT.
We need a version of deleteBuns that doesn't fail if a to-be-deleted
BUN isn't present in the BAT.

zyzyis/monetdb,zyzyis/monetdb,zyzyis/monetdb,zyzyis/monetdb,zyzyis/monetdb,zyzyis/monetdb,zyzyis/monetdb,zyzyis/monetdb,zyzyis/monetdb,zyzyis/monetdb