Remove moot `version` property from bower.json
Remove moot `version` property from bower.json

Per bower/bower.json-spec@a325da3
hamednourhani/SpinKit,kasperpeulen/SpinKit,Renji/SpinKit,marcusrogerio/SpinKit,ermakovmaxim/SpinKit,Renji/SpinKit,roberto-slopez/SpinKit,iFallen/SpinKit,Jalaj-khajotia/SpinKit,mubassirhayat/SpinKit,jainishshah17/SpinKit,LuisCDias/SpinKit,ilovezy/SpinKit,willshawzq/SpinKit,waltercassiano/SpinKit,luck2011/SpinKit,mcanthony/SpinKit,marcusrogerio/SpinKit,wpcastil/SpinKit,defconcepts/SpinKit,ydf/SpinKit,yasinfaurk/SpinKit,yasinfaurk/SpinKit,roberto-slopez/SpinKit,Prabhakaran/SpinKit,david43/SpinKit,jmagnusson/SpinKit,GabrielApG/SpinKit,liangxiaojuan/SpinKit,Jiasm/SpinKit,hamednourhani/SpinKit,coffee-cup/SpinKit,gauravshankar/SpinKit,tobiasahlin/SpinKit