simplify a couple loops

pkg/alertcontext/alertcontext.go

@@ -91,10 +91,7 @@ func truncate(values []string, contextValueLen int) (string, error) {
 		return "", fmt.Errorf("unable to dump metas: %s", err)
 	}
 	ret = string(valueByte)
-	for {
-		if len(ret) <= contextValueLen {
-			break
-		}
+	for len(ret) > contextValueLen {
 		// if there is only 1 value left and that the size is too big, truncate it
 		if len(values) == 1 {
 			valueToTruncate := values[0]

pkg/leakybucket/manager_load.go

@@ -380,7 +380,6 @@ func LoadBucket(bucketFactory *BucketFactory, tomb *tomb.Tomb) error {
 		bucketFactory.processors = append(bucketFactory.processors, &BayesianBucket{})
 	}
 
-	if len(bucketFactory.Data) > 0 {
 	for _, data := range bucketFactory.Data {
 		if data.DestPath == "" {
 			bucketFactory.logger.Errorf("no dest_file provided for '%s'", bucketFactory.Name)
@@ -394,7 +393,6 @@ func LoadBucket(bucketFactory *BucketFactory, tomb *tomb.Tomb) error {
 			exprhelpers.RegexpCacheInit(data.DestPath, *data)
 		}
 	}
-	}
 
 	bucketFactory.output = false
 	if err := ValidateFactory(bucketFactory); err != nil {