Revert "[Test] Fix Python version in kitchen tests related to AWS Batch and CFN Boostrap scripts. In particular, we expect all Oses to use Python 3.12.8, except for AL2 which uses 3.9.20."

This reverts commit 4574ee5.

Author: Himani Anil Deshpande

cookbooks/aws-parallelcluster-awsbatch/test/controls/awsbatch_virtualenv_spec.rb

@@ -9,11 +9,11 @@
 # This file is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, express or implied.
 # See the License for the specific language governing permissions and limitations under the License.
 
+python_version = '3.12.8'
 base_dir = "/opt/parallelcluster"
 pyenv_dir = "#{base_dir}/pyenv"
 
 control 'tag:install_awsbatch_virtualenv_created' do
-  python_version = os_properties.alinux2? ? '3.9.20' : '3.12.8'
   title "awsbatch virtualenv should be created on #{python_version}"
   only_if { !os_properties.redhat? }
 

cookbooks/aws-parallelcluster-environment/test/controls/cfn_bootstrap_spec.rb

@@ -9,11 +9,11 @@
 # This file is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, express or implied.
 # See the License for the specific language governing permissions and limitations under the License.
 
+cfn_python_version = '3.12.8'
 base_dir = "/opt/parallelcluster"
 pyenv_dir = "#{base_dir}/pyenv"
 
 control 'tag:install_cfnbootstrap_virtualenv_created' do
-  cfn_python_version = os_properties.alinux2? ? '3.9.20' : '3.12.8'
   title "cfnbootstrap virtualenv should be created on #{cfn_python_version}"
   only_if { !os_properties.redhat_on_docker? }