Update from code changes: delete previews from a previous repository - #7925

Running Vale across on the following files affected by this PR:

- deploy/preview-deployments.mdx

Attempting to initialize Vale linter...
Customer vale configuration detected. Attempting to sync packages...
Packages synced successfully.
Attempting to run Vale spellcheck...
Vale spellcheck completed successfully.

deploy/preview-deployments.mdx:
	- 121:128    In general, use active voice instead of passive voice ('were built').


Found 1 suggested changes across 1 files in 1709.42ms