OADP Unused files 4.15

[vashirova]

Description of change:
Removing unused modules in preparation for DITA, see Copy of unused-modules-4.12-main.

Version(s):
OCP 4.15

Issue:
OADP-6773

Link to docs preview:
Only because I removed commented out includes for deleted modules.

• https://99807--ocpdocs-pr.netlify.app/openshift-enterprise/latest/backup_and_restore/application_backup_and_restore/backing_up_and_restoring/backing-up-applications.html
• https://99807--ocpdocs-pr.netlify.app/openshift-enterprise/latest/backup_and_restore/application_backup_and_restore/installing/installing-oadp-aws.html
• https://99807--ocpdocs-pr.netlify.app/openshift-enterprise/latest/backup_and_restore/application_backup_and_restore/installing/installing-oadp-azure.html
• https://99807--ocpdocs-pr.netlify.app/openshift-enterprise/latest/backup_and_restore/application_backup_and_restore/installing/installing-oadp-gcp.html
• https://99807--ocpdocs-pr.netlify.app/openshift-enterprise/latest/backup_and_restore/application_backup_and_restore/installing/installing-oadp-mcg.html
• https://99807--ocpdocs-pr.netlify.app/openshift-enterprise/latest/backup_and_restore/application_backup_and_restore/installing/installing-oadp-ocs.html

QE review:
Bypassing as there are no content changes.

[vashirova]

/label OADP

[ocpdocs-previewbot]

🤖 Wed Oct 01 14:25:18 - Prow CI generated the docs preview:

https://99807--ocpdocs-pr.netlify.app/
https://99807--ocpdocs-pr.netlify.app/openshift-enterprise/latest/backup_and_restore/application_backup_and_restore/backing_up_and_restoring/backing-up-applications.html
https://99807--ocpdocs-pr.netlify.app/openshift-enterprise/latest/backup_and_restore/application_backup_and_restore/installing/installing-oadp-aws.html
https://99807--ocpdocs-pr.netlify.app/openshift-enterprise/latest/backup_and_restore/application_backup_and_restore/installing/installing-oadp-azure.html
https://99807--ocpdocs-pr.netlify.app/openshift-enterprise/latest/backup_and_restore/application_backup_and_restore/installing/installing-oadp-gcp.html
https://99807--ocpdocs-pr.netlify.app/openshift-enterprise/latest/backup_and_restore/application_backup_and_restore/installing/installing-oadp-mcg.html
https://99807--ocpdocs-pr.netlify.app/openshift-enterprise/latest/backup_and_restore/application_backup_and_restore/installing/installing-oadp-ocs.html

[anarnold97]

LGTM

[openshift-ci]

@vashirova: all tests passed!

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