Mass conversion of setup_(dependent_)?environment (#13924)

lib/spack/spack/build_systems/intel.py

lib/spack/spack/build_systems/octave.py

lib/spack/spack/test/package_sanity.py

var/spack/repos/builtin/packages/amber/package.py

var/spack/repos/builtin/packages/amrvis/package.py

var/spack/repos/builtin/packages/angsd/package.py

var/spack/repos/builtin/packages/ants/package.py

var/spack/repos/builtin/packages/aspera-cli/package.py

var/spack/repos/builtin/packages/astral/package.py

var/spack/repos/builtin/packages/at-spi2-core/package.py

var/spack/repos/builtin/packages/atk/package.py

var/spack/repos/builtin/packages/bbmap/package.py

var/spack/repos/builtin/packages/beast2/package.py

var/spack/repos/builtin/packages/blasr-libcpp/package.py

var/spack/repos/builtin/packages/blasr/package.py

var/spack/repos/builtin/packages/blat/package.py

var/spack/repos/builtin/packages/bohrium/package.py

var/spack/repos/builtin/packages/braker/package.py

var/spack/repos/builtin/packages/breseq/package.py

var/spack/repos/builtin/packages/casper/package.py