Remove unused attribute.
Remove unused attribute.

Summary:
It's not used for anything and does not make any sense in the context
of glob.

Reviewed By: styurin

fbshipit-source-id: 72e4179e79

Addepar/buck,SeleniumHQ/buck,shs96c/buck,rmaz/buck,facebook/buck,rmaz/buck,kageiit/buck,JoelMarcey/buck,shs96c/buck,JoelMarcey/buck,nguyentruongtho/buck,shs96c/buck,rmaz/buck,SeleniumHQ/buck,rmaz/buck,romanoid/buck,romanoid/buck,JoelMarcey/buck,SeleniumHQ/buck,shs96c/buck,facebook/buck,romanoid/buck,Addepar/buck,Addepar/buck,nguyentruongtho/buck,shs96c/buck,zpao/buck,rmaz/buck,rmaz/buck,Addepar/buck,Addepar/buck,Addepar/buck,SeleniumHQ/buck,zpao/buck,nguyentruongtho/buck,SeleniumHQ/buck,zpao/buck,zpao/buck,brettwooldridge/buck,brettwooldridge/buck,brettwooldridge/buck,JoelMarcey/buck,nguyentruongtho/buck,Addepar/buck,facebook/buck,brettwooldridge/buck,brettwooldridge/buck,SeleniumHQ/buck,zpao/buck,brettwooldridge/buck,Addepar/buck,SeleniumHQ/buck,JoelMarcey/buck,shs96c/buck,JoelMarcey/buck,kageiit/buck,nguyentruongtho/buck,kageiit/buck,facebook/buck,rmaz/buck,JoelMarcey/buck,rmaz/buck,romanoid/buck,nguyentruongtho/buck,JoelMarcey/buck,romanoid/buck,shs96c/buck,rmaz/buck,romanoid/buck,romanoid/buck,shs96c/buck,zpao/buck,brettwooldridge/buck,rmaz/buck,SeleniumHQ/buck,brettwooldridge/buck,JoelMarcey/buck,romanoid/buck,zpao/buck,romanoid/buck,SeleniumHQ/buck,shs96c/buck,shs96c/buck,romanoid/buck,Addepar/buck,shs96c/buck,JoelMarcey/buck,rmaz/buck,brettwooldridge/buck,romanoid/buck,kageiit/buck,JoelMarcey/buck,facebook/buck,brettwooldridge/buck,Addepar/buck,SeleniumHQ/buck,SeleniumHQ/buck,kageiit/buck,romanoid/buck,facebook/buck,Addepar/buck,JoelMarcey/buck,shs96c/buck,romanoid/buck,kageiit/buck,rmaz/buck,brettwooldridge/buck,nguyentruongtho/buck,Addepar/buck,brettwooldridge/buck,SeleniumHQ/buck,rmaz/buck,Addepar/buck,brettwooldridge/buck,facebook/buck,kageiit/buck,shs96c/buck,SeleniumHQ/buck,JoelMarcey/buck