[nototools] Add script to drop hints.
[nototools] Add script to drop hints.

yannisl/noto-monolithic,wskplho/noto-monolithic,yannisl/noto-monolithic,wskplho/noto-monolithic,yannisl/noto-monolithic,yannisl/noto-monolithic,wskplho/noto-monolithic,wskplho/noto-monolithic