Revert "MANTA-411: Add manta.git to all manta appliances"
Revert "MANTA-411: Add manta.git to all manta appliances"

This reverts commit 0a36dccb8ab085e4bd5f323b6ab8762a13c1919c.

joyent/mountain-gorilla,joyent/mountain-gorilla,joyent/mountain-gorilla