message: docs(api): remove incorrect note about plunger home
  The instrument context docs for drop_tip incorrectly asserted that the
  does not need to home its plunger after dropping tips, which has
  never been true.
  Closes
diff: @@ -742,16 +742,15 @@ class InstrumentContext(CommandPublisher):
  can be a :py:class:`.types.Location`; for instance, you can call
  `instr.drop_tip(tiprack.wells()[0].top())`.
  - .. note::
  -
  - OT1 required homing the plunger after dropping tips, so the prior
  - version of `drop_tip` automatically homed the plunger. This is no
  - longer needed in OT2. If you need to home the plunger, use
  - :py:meth:`home_plunger`.
  -
  :param location: The location to drop the tip
  :type location: :py:class:`.types.Location` or :py:class:`.Well` or
  None
  + :param home_after: Whether to home the plunger after dropping the tip
  + (defaults to ``True``). The plungeer must home after
  + dropping tips because the ejector shroud that pops
  + the tip off the end of the pipette is driven by the
  + plunger motor, and may skip steps when dropping the
  + tip.
  :returns: This instance
  """
  