fix: delete faq admin

[Khingz]

Descriprion

Update update faq

Fixes Issue/Linear Ticket

• Update json response
• Validate the user to be super admin
• Update error response

This could be an existing issue or a linear ticket

• Github Issue Example: My PR Closes #{ISSUE}
• Linear Ticket Example: Fixes ID-#{ISSUE}

Changes proposed

Talk about the things you did eg. files changes, dependencies installed e.t.c

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