clean-up: removed remains of obsolete conditionals HAVE_CLIENTS & HAVE_MONETDB
clean-up: removed remains of obsolete conditionals HAVE_CLIENTS & HAVE_MONETDB

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