Cleanup of this old code.
Cleanup of this old code.

Re-enabling alloc-map
It was disabled to work with valgrind, which caused problems
on 32-bits machines due to its attempt to allocate 3GB map.

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