Empire leaving Alliance, turn off supply chain to SS
*Created by: lemming552*
Closed Issue #120 on the non-public Lacuna-Server git to open here.
If an empire leaves an alliance, the supply chain to any space station is still left.
**Imported comments:**
*By lemming552 on 2013-08-06 02:30:44 UTC*
Fixed in 3.0893
issue