remove rpm based debugging stuff

.github/packaging/validate_build_output.sh

@@ -2,17 +2,6 @@
 
 set -ex
 
-# Function to get the OS version
-get_rpm_os_version() {
-    if [[ -f /etc/centos-release ]]; then
-        cat /etc/centos-release | awk '{print $4}'
-    elif [[ -f /etc/oracle-release ]]; then
-        cat /etc/oracle-release | awk '{print $5}'
-    else
-        echo "Unknown"
-    fi
-}
-
 package_type=${1}
 
 # Since $HOME is set in GH_Actions as /github/home, pyenv fails to create virtualenvs.
@@ -24,7 +13,6 @@ eval "$(pyenv init -)"
 pyenv activate packaging_env
 
 echo "Package type: ${package_type}"
-echo "OS version: $(get_rpm_os_version)"
 
 export PYTHONPATH=/
 python3 -m tools.packaging_automation.validate_build_output --output_file output.log \