svn commit: r502844 - head/shells/ksh93

[Cy Schubert]

Author: cy
Date: Tue May 28 02:32:15 2019
New Revision: 502844
URL: https://svnweb.freebsd.org/changeset/ports/502844

Log:
  This is the first part of a two part commit to update shells/ksh93 to
  2020.0.0-alpha1.
  
  Following this commit will be an svn copy shells/ksh93-devel to
  shells/ksh93, replacing the git tag with DISTVERSION 2020.0.0-alpha1.
  
  PR:		237332
  Approved by:	maintainer timeout

Deleted:
  head/shells/ksh93/