OBHT deletion (1)
To delete the entry (if any) whose key is equal to key from an OBHT:
1. Set b to hash(key).2. Repeat: 2.1. If bucket b is never-occupied: 2.1.1. Terminate. 2.2. If bucket b is occupied by an entry whose key is equal to key: 2.2.1. Make bucket b formerly-occupied. 2.2.2. Terminate. 2.3. If bucket b is formerly-occupied, or is occupied by an entry whose key is not equal to key: 2.3.1. Increment b modulo m.