Revert "Rebuilt"

This reverts commit d7843486ecb363edde5968e47e904e7d98d28d02.
Revert "Added build as separate repo."

This reverts commit 144c79746992b6e6568cadbc11e92b9ba32440ec.
Revert "Removed built subdirectory in preparation for making it a submodule."

This reverts commit 3edb490212df86dcbe80c7b8394a2cbd4b6ed177.