Remove last mention of grunt in README
Remove last mention of grunt in README
IllusionMH/tslint,palantir/tslint,nchen63/tslint,RyanCavanaugh/tslint,berickson1/tslint,andy-ms/tslint,nchen63/tslint,JoshuaKGoldberg/tslint,RyanCavanaugh/tslint,RyanCavanaugh/tslint,IllusionMH/tslint,andy-hanson/tslint,palantir/tslint,mprobst/tslint,berickson1/tslint,andy-hanson/tslint,mprobst/tslint,mprobst/tslint,andy-ms/tslint,JoshuaKGoldberg/tslint,JoshuaKGoldberg/tslint,IllusionMH/tslint,YuichiNukiyama/tslint,nchen63/tslint,andy-hanson/tslint,palantir/tslint,berickson1/tslint,YuichiNukiyama/tslint,andy-ms/tslint,YuichiNukiyama/tslint