Removed depreated Gradle featurePreview.

Author: VDovidaytis-HORIS

settings.gradle

@@ -53,11 +53,7 @@ include 'base-portable',
         'vis-swing-jfx'
 
 
-
 /*
  * Copyright (c) 2019. JetBrains s.r.o.
  * Use of this source code is governed by the MIT license that can be found in the LICENSE file.
  */
-
-// publishing
-enableFeaturePreview('GRADLE_METADATA')