Disable tdnf cache timer

[MohdWaquar]

What steps did you take and what happened:
[A clear and concise description on how to REPRODUCE the bug.]
[Photon]tdnf cache timer consuming larger memory causing OOMKill.

What did you expect to happen:

Anything else you would like to add:
[Miscellaneous information that will assist in solving the issue.]

Environment:

Project (Image Builder for Cluster API:

Additional info for Image Builder for Cluster API related issues:

• OS (e.g. from /etc/os-release, or cmd /c ver): Photon
• Packer Version:
• Packer Provider:
• Ansible Version:
• Cluster-api version (if using):
• Kubernetes version: (use kubectl version):

/kind bug
[One or more /area label. See https://github.com/kubernetes-sigs/cluster-api/labels?q=area for the list of labels]