Revert "finally, use code generation for INITSHA1 & INITPATH too"

This reverts commit c7c620dd9fce0e7b437ee185c7a58341f3b8e3aa.

Conflicts:
	.gitignore
	hack/make.sh
	hack/make/dynbinary

Docker-DCO-1.1-Signed-off-by: Jessica Frazelle <jess@docker.com> (github: jfrazelle)