Removing specific finding names from Cloud and SaaS Remediation

[mleslie-cf]

Cloud and SaaS Findings Remediation actions currently support several vendors and actions. These lists will grow in time. To ensure the documentation is up-to-date, this commit removes specific call outs of which vendors and finding types are supported. Instead, customers should reference the Cloudflare Dash directly.

Summary

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Documentation checklist

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• The change adheres to the documentation style guide.
• If a larger change - such as adding a new page- an issue has been opened in relation to any incorrect or out of date information that this PR fixes.
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