QueueLIFO import removed from LineGeneration and imports module

dream/simulation/LineGenerationJSON.py

@@ -47,7 +47,6 @@ from Source import Source
 from Machine import Machine
 from Exit import Exit
 from Queue import Queue
-from QueueLIFO import QueueLIFO
 from Repairman import Repairman
 from Part import Part
 from Frame import Frame

dream/simulation/imports.py

@@ -45,7 +45,6 @@ from dream.simulation.Conveyer import Conveyer
 from dream.simulation.ExitJobShop import ExitJobShop
 from dream.simulation.QueueJobShop import QueueJobShop
 from dream.simulation.MachineJobShop import MachineJobShop
-from dream.simulation.QueueLIFO import QueueLIFO
 from dream.simulation.BatchSource import BatchSource
 from dream.simulation.BatchDecomposition import BatchDecomposition
 from dream.simulation.BatchReassembly import BatchReassembly