Undo all custom changes to the DendoStepper library, since it will not
be used further. Custom implementation will be used in the future
(stepper_custom-driver branch)
Revert 279ac0e07e7578a86a6d13908e472bd4f379a62a
Revert 1c59e0097b3732d9b035881faa442349c50d4341
Revert 5d7c67ab9a2327adc49ea92cd55f9aa23a40b065
Revert 8d2428d28576e08da07af79659620376b1e4e964
Revert dc6deeb3d09628ac7f4f4fab256dc168bcbf835a
Revert 0a05340763c26be4735d1cf845b96150112b25ad
Revert 45409676a0b502c69b5bc26be7361bfa5a89ed61
Revert de42b6252ebec3558713cd39334548041654545f