update CI to use python instead of python-jl

Author: jonwzheng

.github/workflows/CI.yml

@@ -123,7 +123,7 @@ jobs:
         run: |
           for regr_test in aromatics liquid_oxidation nitrogen oxidation sulfur superminimal RMS_constantVIdealGasReactor_superminimal RMS_CSTR_liquid_oxidation RMS_liquidSurface_ch4o2cat;
           do
-            if python-jl rmg.py test/regression/"$regr_test"/input.py; then
+            if python rmg.py test/regression/"$regr_test"/input.py; then
               echo "$regr_test" "Executed Successfully"
             else
               echo "$regr_test" "Failed to Execute" | tee -a $GITHUB_STEP_SUMMARY
@@ -203,7 +203,7 @@ jobs:
 
             echo "<details>"
             # Compare the edge and core
-            if python-jl scripts/checkModels.py \
+            if python scripts/checkModels.py \
                 "$regr_test-core" \
                 $REFERENCE/"$regr_test"/chemkin/chem_annotated.inp \
                 $REFERENCE/"$regr_test"/chemkin/species_dictionary.txt \
@@ -220,7 +220,7 @@ jobs:
             cat "$regr_test-core.log" || (echo "Dumping the whole log failed, please download it from GitHub actions. Here are the first 100 lines:" && head -n100 "$regr_test-core.log")
             echo "</details>"
             echo "<details>"
-            if python-jl scripts/checkModels.py \
+            if python scripts/checkModels.py \
                 "$regr_test-edge" \
                 $REFERENCE/"$regr_test"/chemkin/chem_edge_annotated.inp \
                 $REFERENCE/"$regr_test"/chemkin/species_edge_dictionary.txt \
@@ -241,7 +241,7 @@ jobs:
             if [ -f test/regression/"$regr_test"/regression_input.py ];
             then
               echo "<details>"
-              if python-jl rmgpy/tools/regression.py \
+              if python rmgpy/tools/regression.py \
                 test/regression/"$regr_test"/regression_input.py \
                 $REFERENCE/"$regr_test"/chemkin \
                 test/regression/"$regr_test"/chemkin