don't set envs now set in desimodules

etc/desispec.module

@@ -76,21 +76,13 @@ setenv [string toupper $product] $PRODUCT_DIR
 #
 # Add any non-standard Module code below this point.
 #
-setenv DESI_SPECTRO_CALIB $env(DESI_ROOT)/spectro/desi_spectro_calib/trunk
-setenv DESI_SPECTRO_DARK $env(DESI_ROOT)/spectro/desi_spectro_dark/latest
 
-# for MPI+multiprocessing coordination
-setenv MPICH_GNI_FORK_MODE FULLCOPY
-setenv KMP_AFFINITY disabled
-
-# for zmtl generation running QuasarNP
-# OLD:
-# setenv QN_MODEL_FILE $env(DESI_ROOT)/target/catalogs/lya/qn_models/qn_train_coadd_indtrain_0_0_boss10.h5
-# After desispec PR #2230 and QuasarNP PR #7:
-# setenv QN_MODEL_FILE $env(DESI_ROOT)/science/lya/qn_models/desi/qn_train_desi_guadalupe_linear.h5
-# 2024-06-18: reverting to previous weights while debugging new ones
-setenv QN_MODEL_FILE $env(DESI_ROOT)/target/catalogs/lya/qn_models/qn_train_coadd_indtrain_0_0_boss10.h5
-
-# possible future SQuEZE afterburner
-setenv SQ_MODEL_FILE $env(DESI_ROOT)/target/catalogs/lya/sq_models/BOSS_train_64plates_model.json
+# the following environment variables are now set by desimodules
+# instead of the desispec module
+# - DESI_SPECTRO_CALIB
+# - DESI_SPECTRO_DARK
+# - MPICH_GNI_FORK_MODE
+# - KMP_AFFINITY
+# - QN_MODEL_FILE
+# - SQ_MODEL_FILE