Identify the candidate revisions to delete

Problem/Motivation

Identify the candidate revisions to delete.

Proposed resolution

Identify the candidate revisions to delete.

Remaining tasks

#3076168: Identify the candidate revisions using only the minimum number of revisions to keep
#3076225: Identify the candidate revisions using the minimum age of revisions to delete
#3076226: Identify the candidate revisions using the when to delete configuration

User interface changes

None.

API changes

None.

Data model changes

None.