FIX: use target for env and add stable env

env/sles15/ffbidx/spack.yaml

@@ -1,4 +0,0 @@
-spack:
-  specs:
-    - ffbidx@main%gcc+python+simple_data_files+simple_data_indexer+test_all cuda_arch=60
-  view: false

env/sles15/hyquas/spack.yaml

@@ -1,10 +0,0 @@
-spack:
-  specs:
-    - git-lfs
-    - cmake@3.25.2%gcc@12.1.0
-    - openmpi@4.1.5%gcc schedulers=slurm fabrics=auto +pmi +cxx +cxx_exceptions +cuda
-      +legacylaunchers ^slurm +pmix +hwloc +gtk +readline +restd +mariadb
-    - cuda@11.0.2
-    - hyquas@main%gcc+cuda cuda_arch=70 ~mpi+schedule+use_double+micro_bench+eval_pp~disable_assert
-      backend=mix mat_size=7
-  view: false

env/sles15/opal/spack.yaml

@@ -1,9 +0,0 @@
-spack:
-  repos:
-  - ../../
-  specs:
-  - opal@master%gcc@11.3.0
-  develop:
-    opal:
-      spec: opal@=master
-      path: /home/germann_e/OPAL/src/

env/sles15/py-hiqsimulator/spack.yaml

@@ -1,5 +0,0 @@
-spack:
-  specs:
-    - openmpi@4.1.5%gcc
-    - py-hiqsimulator@develop%gcc
-  view: false