[GRASS-git] [OSGeo/grass] bfc90b: Revert "CI: add PDAL support (#1638)" backport

[Markus Neteler]

  Branch: refs/heads/releasebranch_7_8
  Home:   https://github.com/OSGeo/grass
  Commit: bfc90b48d21a2d5d3de5d3176e9ddc16cfdd8350
      https://github.com/OSGeo/grass/commit/bfc90b48d21a2d5d3de5d3176e9ddc16cfdd8350
  Author: Markus <neteler at gmail.com>
  Date:   2021-06-15 (Tue, 15 Jun 2021)

  Changed paths:
    M .github/workflows/apt.txt
    M .github/workflows/build.sh

  Log Message:
  -----------
  Revert "CI: add PDAL support (#1638)" backport

This reverts commit 5b9b736e4e1a691686dbd09c336d39d6be0667ed.