fix: Remove irrelevant cmds as we move to Alma

openstack-proxy/nodeimage.pkr.hcl

@@ -38,8 +38,6 @@ build {
 
   provisioner "shell" {
     inline = [
-      "sudo sed -i 's/^mirrorlist/#mirrorlist/g' /etc/yum.repos.d/CentOS-*",
-      "sudo sed -i 's|#baseurl=http://mirror.centos.org|baseurl=http://vault.centos.org|g' /etc/yum.repos.d/CentOS-*",
       "sudo yum install -y epel-release",
       "sudo yum install -y libselinux-python3 python3 tmux vim git bash-completion curl wget unzip",
       "sudo python3 -m pip install --upgrade pip",