If you were planning to swing by your local Target to buy a Kindle some time soon, you may want to add a little pep to your step. An inside source told The Verge that Amazon’s line of Kindle e-readers and tablets would soon disappear from Target’s store shelves, due to an unspecified "conflict of interest."Sales of Amazon’s hardware hasn’t dried up just yet though – that same source sent along an internal memo that points to May 13 (i.e. Mothers Day) as the point after which store stock would no longer be replenished.