Builtins cleanup: remove "reset_received()"  and "reset_sent()".
Builtins cleanup: remove "reset_received()"  and "reset_sent()".

* da/sim.py(DistProcess.reset_received, DistProcess.reset_sent): Removed,
  superceded by the "reset" statement.

mayli/DistAlgo,sghosh1991/distalgo,mayli/DistAlgo,sghosh1991/distalgo