remove extra parentheses in privacy README
remove extra parentheses in privacy README

wangyang59/tf_models,derekjchow/models,jch1/models,jch1/models,jch1/models,cshallue/models,derekjchow/models,zbigniewwojna/text-rcnn,hang-qi/models,r888888888/models,jch1/models,r888888888/models,jiaphuan/models,r888888888/models,beomyeol/models,jiaphuan/models,tombstone/models,beomyeol/models,bousmalis/models,hang-qi/models,sshleifer/object_detection_kitti,r888888888/models,jazcollins/models,jiaphuan/models,wangyang59/tf_models,beomyeol/models,sshleifer/object_detection_kitti,jiaphuan/models,wangyang59/tf_models,cshallue/models,jazcollins/models,r888888888/models,wangyang59/tf_models,cshallue/models,xcyan/models,wangyang59/tf_models,jazcollins/models,cshallue/models,bousmalis/models,alexgorban/models,bousmalis/models,xcyan/models,hang-qi/models,derekjchow/models,tombstone/models,sshleifer/object_detection_kitti,bousmalis/models,jch1/models,derekjchow/models,xcyan/models,derekjchow/models,jazcollins/models,xcyan/models,r888888888/models,tombstone/models,bousmalis/models,jazcollins/models,tombstone/models,hang-qi/models,alexgorban/models,hang-qi/models,cshallue/models,jch1/models,sshleifer/object_detection_kitti,tombstone/models,hang-qi/models,jiaphuan/models,jiaphuan/models,alexgorban/models,sshleifer/object_detection_kitti,tombstone/models,wangyang59/tf_models,alexgorban/models,xcyan/models,xcyan/models,jazcollins/models,sshleifer/object_detection_kitti,alexgorban/models,bousmalis/models