[GRASS-git] [OSGeo/grass] e87e51: releasebranch_8_2: Update grass80 to grass82 (#2326)

[Markus Neteler]

  Branch: refs/heads/releasebranch_8_2
  Home:   https://github.com/OSGeo/grass
  Commit: e87e515e107f1f6881ffd052e5364c018577979b
      https://github.com/OSGeo/grass/commit/e87e515e107f1f6881ffd052e5364c018577979b
  Author: Markus Neteler <neteler at gmail.com>
  Date:   2022-04-27 (Wed, 27 Apr 2022)

  Changed paths:
    M CHANGES
    M INSTALL
    M NEWS
    M README.md
    R SUBMITTING
    M docker/README.md
    M docker/alpine/Dockerfile
    M docker/alpine/Dockerfile_alpine_latest
    M docker/debian/Dockerfile
    M docker/ubuntu/Dockerfile
    M general/g.version/g.version.html
    M lib/init/grass.html
    M man/sphinx/Makefile
    M man/sphinx/conf.py
    M man/sphinx/make.bat
    M mswindows/crosscompile.sh
    M python/grass/gunittest/multirunner.py
    M python/grass/script/setup.py
    M rpm/grass.spec

  Log Message:
  -----------
  releasebranch_8_2: Update grass80 to grass82 (#2326)

- Update various mentions of grass80 and grass81 -> grass82
- simplify CHANGES file
- SUBMITTING no longer needed; see CONTRIBUTING.md