fix, PEBKAC^2, new gq.c code with bookkeeper items doesn't need mremap(), lose it

Signed-off-by: Sebastian Freundt <freundt@ga-group.nl>
Merge branch 'core/gq'

* core/gq:
  fix, PEBKAC^2, new gq.c code with bookkeeper items doesn't need mremap(), lose it