Merge pull request #29 from adafruit/ptorrone-patch-4

removed "Add any links to purchase the board"

Author: ladyada

_board/itsybitsy_m4_express.md

@@ -13,7 +13,7 @@ This board hasn't been fully documented yet. Please make a pull request adding m
 The description should be written to inform a CircuitPython user what makes the board unique and link to relevant info about it.
 
 ## Purchase
-Add any links to purchase the board
+
 * [Adafruit](https://www.adafruit.com/product/3800)
 
 ## Contribute