Remove unused properties from build.xml.
Remove unused properties from build.xml.

Reviewed By: styurin

fbshipit-source-id: 961d9a2478

romanoid/buck,Addepar/buck,brettwooldridge/buck,romanoid/buck,rmaz/buck,Addepar/buck,romanoid/buck,romanoid/buck,Addepar/buck,SeleniumHQ/buck,brettwooldridge/buck,JoelMarcey/buck,brettwooldridge/buck,JoelMarcey/buck,JoelMarcey/buck,nguyentruongtho/buck,nguyentruongtho/buck,nguyentruongtho/buck,SeleniumHQ/buck,zpao/buck,rmaz/buck,brettwooldridge/buck,kageiit/buck,zpao/buck,facebook/buck,JoelMarcey/buck,SeleniumHQ/buck,rmaz/buck,JoelMarcey/buck,SeleniumHQ/buck,rmaz/buck,SeleniumHQ/buck,Addepar/buck,brettwooldridge/buck,JoelMarcey/buck,Addepar/buck,romanoid/buck,SeleniumHQ/buck,romanoid/buck,rmaz/buck,brettwooldridge/buck,nguyentruongtho/buck,kageiit/buck,JoelMarcey/buck,romanoid/buck,Addepar/buck,facebook/buck,nguyentruongtho/buck,SeleniumHQ/buck,SeleniumHQ/buck,kageiit/buck,Addepar/buck,kageiit/buck,brettwooldridge/buck,SeleniumHQ/buck,JoelMarcey/buck,brettwooldridge/buck,zpao/buck,romanoid/buck,nguyentruongtho/buck,JoelMarcey/buck,zpao/buck,brettwooldridge/buck,JoelMarcey/buck,rmaz/buck,brettwooldridge/buck,facebook/buck,kageiit/buck,Addepar/buck,rmaz/buck,Addepar/buck,romanoid/buck,JoelMarcey/buck,facebook/buck,Addepar/buck,rmaz/buck,rmaz/buck,rmaz/buck,SeleniumHQ/buck,SeleniumHQ/buck,SeleniumHQ/buck,zpao/buck,zpao/buck,brettwooldridge/buck,romanoid/buck,nguyentruongtho/buck,brettwooldridge/buck,JoelMarcey/buck,romanoid/buck,brettwooldridge/buck,rmaz/buck,facebook/buck,romanoid/buck,Addepar/buck,Addepar/buck,rmaz/buck,kageiit/buck,rmaz/buck,romanoid/buck,facebook/buck,SeleniumHQ/buck,JoelMarcey/buck,Addepar/buck,facebook/buck,zpao/buck,kageiit/buck