Removes kmcomp.dpr, related source, compilekeymanweb.pas, and related
unit tests.
Cleans up a couple of bits and pieces around kmc in order to help tests
to pass, and updates some tests that had legacy code in them
(particularly missing &TARGETS stores).
* Move old notes into an old/ folder to clarify their pending removal
and add a note to the top of each file.
* Cleanup macos.sh script to fix various issues.
