remove index prop
remove index prop

markogresak/DefinitelyTyped,magny/DefinitelyTyped,magny/DefinitelyTyped,AgentME/DefinitelyTyped,mcliment/DefinitelyTyped,AgentME/DefinitelyTyped,AgentME/DefinitelyTyped,borisyankov/DefinitelyTyped,dsebastien/DefinitelyTyped,georgemarshall/DefinitelyTyped,dsebastien/DefinitelyTyped,georgemarshall/DefinitelyTyped,georgemarshall/DefinitelyTyped,georgemarshall/DefinitelyTyped,AgentME/DefinitelyTyped,borisyankov/DefinitelyTyped