Gradle: rely on external Scala resolver extension declaration (cherry picked from commit 3c3e785)
Gradle: rely on external Scala resolver extension declaration
(cherry picked from commit 3c3e785)

LPTK/intellij-scala,SergeevPavel/intellij-scala,triggerNZ/intellij-scala,SergeevPavel/intellij-scala,JetBrains/intellij-scala-historical,triggerNZ/intellij-scala,JetBrains/intellij-scala-historical,LPTK/intellij-scala,SergeevPavel/intellij-scala,JetBrains/intellij-scala-historical,LPTK/intellij-scala,triggerNZ/intellij-scala