You can get rid of them by dropping them (DROP STATISTICS). The Query Optimiser will recreate them as soon as it needs them, so unless the pattern of work has changed significantly since the table was created, they'll all be back in a couple of days.
Gail Shaw
Microsoft Certified Master: SQL Server, MVP, M.Sc (Comp Sci)
SQL In The Wild: Discussions on DB performance with occasional diversions into recoverability
We walk in the dark places no others will enter
We stand on the bridge and no one may pass