[zanata/zanata-platform] 3798f5: Revert "Update Kotlin to 1.2.21 (#726)"

[GitHub]

  Branch: refs/heads/ZNTA-2313
  Home:   https://github.com/zanata/zanata-platform
  Commit: 3798f5ca0d2de6d9053b8b9edc6a4b1d9c36f407
      https://github.com/zanata/zanata-platform/commit/3798f5ca0d2de6d9053b8b9edc6a4b1d9c36f407
  Author: Sean Flanigan <sflaniga at redhat.com>
  Date:   2018-02-20 (Tue, 20 Feb 2018)

  Changed paths:
    M server/pom.xml

  Log Message:
  -----------
  Revert "Update Kotlin to 1.2.21 (#726)"

This reverts commit f8ef325c83855e569ff3bea1954e976e2d6958e1.