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

This reverts commit 5b9b736e4e1a691686dbd09c336d39d6be0667ed.

.github/workflows/apt.txt

@@ -9,11 +9,8 @@ libgl1-mesa-dev
 libglu1-mesa-dev
 libnetcdf-dev
 libopenblas-dev
-libpdal-dev
 libpng-dev
 libproj-dev
-pdal
-proj-bin
 libreadline-dev
 libzstd-dev
 python3-dateutil

.github/workflows/build.sh

@@ -32,7 +32,6 @@ export INSTALL_PREFIX=$1
     --with-lapack \
     --with-readline \
     --with-openmp \
-    --with-pdal \
     --with-pthread \
     --with-tiff \
     --with-freetype \