fix

Author: gustavo-grieco

lib/Echidna/Types/Campaign.hs

@@ -10,7 +10,6 @@ import EVM.Solvers (Solver(..))
 import Echidna.ABI (GenDict, emptyDict)
 import Echidna.Types
 import Echidna.Types.Coverage (CoverageFileType, CoverageMap)
-import Echidna.Types.Tx (Tx)
 
 -- | Configuration for running an Echidna 'Campaign'.
 data CampaignConf = CampaignConf