disable the xrpc_* variables that are not set/used in the algebra backend.  this should fix (most of) the remaining failing tests.
disable the xrpc_* variables that are not set/used in the algebra
backend.  this should fix (most of) the remaining failing tests.

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