Remove some cruft from SBT Build file.
Remove some cruft from SBT Build file.

woparry/spire,siddhartha-gadgil/spire,adampingel/spire,non/spire,non/spire,guersam/spire,JackSullivan/spire,siddhartha-gadgil/spire,kevinmeredith/spire,codeaudit/spire,JackSullivan/spire,adampingel/spire,codeaudit/spire,rklaehn/spire,kevinmeredith/spire,woparry/spire,tixxit/spire,AlecZorab/spire,rklaehn/spire,AlecZorab/spire,guersam/spire,tixxit/spire