[release/1.4.16] core/state: rename Delete/IsDeleted to Suicide/HasSuicided

The delete/remove naming has caused endless confusion in the past.

(cherry picked from commit 90fce8bfa6)

core/vm/jit.go

@@ -425,7 +425,7 @@ func jitCalculateGasAndSize(env Environment, contract *Contract, instr instructi
 		}
 		gas.Set(g)
 	case SUICIDE:
-		if !statedb.IsDeleted(contract.Address()) {
+		if !statedb.HasSuicided(contract.Address()) {
 			statedb.AddRefund(params.SuicideRefundGas)
 		}
 	case MLOAD: