Revert "Disable all types of personal access tokens when FIPS enabled"

What does this MR do and why?

Reverts !97299 (diffs) for 15-6-stable-ee. A similar revert is being backported to 15.5 Revert PAT creation when FIPS is enabled (!106886 - closed) and Revert Disable Personal Access Tokens in FIPS mode (!106842 - closed)

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