[GRASS-git] [OSGeo/grass] 7ba4fb: remove now unneeded Python 3 shebang trick

[Markus Neteler]

  Branch: refs/heads/releasebranch_7_8
  Home:   https://github.com/OSGeo/grass
  Commit: 7ba4fbcca438c179c3ad4b887c38ecddbff40d91
      https://github.com/OSGeo/grass/commit/7ba4fbcca438c179c3ad4b887c38ecddbff40d91
  Author: Markus Neteler <neteler at gmail.com>
  Date:   2019-08-11 (Sun, 11 Aug 2019)

  Changed paths:
    M docker/Dockerfile_alpine

  Log Message:
  -----------
  remove now unneeded Python 3 shebang trick