[AC-2647] Remove Flexible Collections MVP code (#9518)
* chore: organization.ts, remove refs to flexibleCollections and isManager, refs AC-2647
* chore: clean up callers of removed methods from organization.ts, refs AC-2647
* chore: access-selector, remove fc input and update permissionList param, refs AC-2647
* chore: update permissionList caller, update group-add-edit fc refs, and remove accessAll, refs AC-2647
* chore: update member-dialog fc callers, refs AC-2647
* chore: update bulk-collections-dialog fc callers, refs AC-2647
* chore: update collection-dialog fc callers, refs AC-2647
* chore: update simple fc caller to misc files, refs AC-2647
* chore: update member-dialog fc callers, refs AC-2647
* chore: remove accessAll references and update callers, refs AC-2647
* chore: update comment to specify v1 usage, refs AC-2647
* chore: remove unused message keys and code calls to use those messages, refs AC-2647
* chore: remove readonly false from access-selector model map function, refs AC-2647
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