Refactor: fixed wrong import paths

packages/database/parameters.go

 package database
 
 import (
-    "github.com/iotadevelopment/go/modules/parameter"
+    "github.com/iotaledger/goshimmer/packages/parameter"
 )
 
 var DIRECTORY = parameter.AddString("DATABASE/DIRECTORY", "mainnetdb", "path to the database folder")

packages/transaction/transaction.go

 package transaction
 
 import (
-    "github.com/iotadevelopment/go/packages/curl"
-    "github.com/iotadevelopment/go/packages/ternary"
+    "github.com/iotaledger/goshimmer/packages/curl"
+    "github.com/iotaledger/goshimmer/packages/ternary"
 )
 
 type Transaction struct {