By Laura McGuire Raunchy Londoners can now get vibrators, massage oils, and other adult toys delivered to their doors at lightning speed, as part of a steamy new partnership between Deliveroo and the nation’s best known sex shop. With Valentine’s Day quickly approaching, the mobile app best known for satisfying the needs of hungry Brits, is teaming up with Ann Summers to assist with another kind of craving. This morning’s development comes after a study by YouGov study showed that 39 per cent of the heterosexual women polled agreed they had felt disappointed by a partner on the romantic Februa…