Revert "Deactivate MJ2 module on Undocking Ship Part 1"

This reverts commit d5565ba4ae0955f7e1f91f1bbdf9de05da4b7d11.
Revert "Deactivate modules on Undocking Ship"

This reverts commit 8938fb0e7a10ca4445cfd99755caad0fd28c373b.
Add support for interstellar mod compatability for dV calculation.