DOC-5805 remove and redirect CDM page

[aimurphy]

https://github.com/riptano/docs-infra/pull/216

[plpesvc-ds]

Build failure! ❌

[15:33:43.974] ERROR (asciidoctor): target of xref not found: data-migration:ROOT:cassandra-data-migrator.adoc file: modules/managing/pages/operations/migrate-data.adoc source: https://github.com/riptano/dse-docs-new.git (branch: release/6.8) [15:34:07.975] ERROR (asciidoctor): target of xref not found: data-migration:ROOT:cassandra-data-migrator.adoc file: modules/managing/pages/operations/migrate-data.adoc source: https://github.com/riptano/dse-docs-new.git (branch: release/5.1) > tailwindcss > tailwindcss build -c ${npm_config_tailwind_config_path} -i ${npm_config_css_path} -o ${npm_config_css_path} --minify Browserslist: caniuse-lite is outdated. Please run: npx update-browserslist-db@latest Why you should do it regularly: https://github.com/browserslist/update-db#readme Rebuilding... Done in 20047ms.