Revert "First half of the kerbosynchronous orbit turotial"

This reverts commit e7dba40323280196c2281532c3d5b507910f2efe.

Conflicts:
	tutorials/keo.md
Revert "Overlooked wording shift"

This reverts commit 0fb701dc525ee5b6b4f675a7c21cac378ace87e5.