removed obsolete and unused check for performance counters library (PCL) from configure.ag
removed obsolete and unused check for performance counters library (PCL) from configure.ag

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