refactoring via goimports

packages/accountability/accountability.go

 package accountability
 
 import (
+	"sync"
+
 	"github.com/dgraph-io/badger"
-    "github.com/iotaledger/goshimmer/packages/settings"
 	"github.com/iotaledger/goshimmer/packages/identity"
-	"sync"
+	"github.com/iotaledger/goshimmer/packages/settings"
 )
 
 var ownId *identity.Identity

packages/bitutils/bitmask_test.go

@@ -32,4 +32,3 @@ func TestBitmask(t *testing.T) {
 		t.Error("flag at pos 1 should not be set")
 	}
 }
-

packages/curl/batch_hasher.go

@@ -2,9 +2,10 @@ package curl
 
 import (
 	"fmt"
-    "github.com/iotaledger/goshimmer/packages/ternary"
 	"strconv"
 	"time"
+
+	"github.com/iotaledger/goshimmer/packages/ternary"
 )
 
 type HashRequest struct {

packages/curl/curl.go

 package curl
 
 import (
-    "github.com/iotaledger/goshimmer/packages/ternary"
 	"math"
+
+	"github.com/iotaledger/goshimmer/packages/ternary"
 )
 
 const (
@@ -14,7 +15,6 @@ var (
 	TRUTH_TABLE = ternary.Trits{1, 0, -1, 2, 1, -1, 0, 2, -1, 1, 0}
 )
 
-
 type Hash interface {
 	Initialize()
 	InitializeCurl(trits *[]int8, length int, rounds int)
@@ -23,7 +23,6 @@ type Hash interface {
 	Squeeze(resp []int8, offset int, length int) []int
 }
 
-
 type Curl struct {
 	Hash
 	state      ternary.Trits

packages/database/database.go

 package database
 
 import (
-    "github.com/dgraph-io/badger"
 	"os"
 	"path/filepath"
 	"sync"
+
+	"github.com/dgraph-io/badger"
 )
 
 var databasesByName = make(map[string]*databaseImpl)

packages/datastructure/doubly_linked_list.go

 package datastructure
 
 import (
-	"github.com/iotaledger/goshimmer/packages/errors"
 	"sync"
+
+	"github.com/iotaledger/goshimmer/packages/errors"
 )
 
 type DoublyLinkedList struct {