court rules american bulldog winston must leave his home this month .
pet 's attacks led to 14-month ban on deliveries on two blackburn roads .
his owner hayley sandiford claims winston is ` not a danger ' to anyone .
` unfortunately he does have a thing about postmen but it is the mail they carry and not the postmen themselves ' , she said .
winston 's eviction means that postal deliveries will resume on may 1 .