message: Update brain_build.md
diff: @@ -11,8 +11,6 @@ possibly the communications protocol between controller and UI. Since it contain
  or drivers, integration testing with this bare build is not possible. For an upgrade, check the
  [Pizza build](pizza_build.md).
  -For how to assemble the brains, check this wiki [here](brain_build_instructions.md).
  -
  ## Purchasing source abbreviations
  * **Z** = Amazon
  