Shush the timestamp command for bison.
Shush the timestamp command for bison.

They seem to work properly, we no longer need their clutter.

	* src/parser/local.mk: Silent the timestamp handling for bison.

aldebaran/urbi,aldebaran/urbi,aldebaran/urbi,aldebaran/urbi,urbiforge/urbi,aldebaran/urbi,urbiforge/urbi,aldebaran/urbi,urbiforge/urbi,urbiforge/urbi,urbiforge/urbi,urbiforge/urbi,urbiforge/urbi,aldebaran/urbi,aldebaran/urbi,urbiforge/urbi,urbiforge/urbi