bug fix in member role validation, removed it

[TharunKumarrA]

No description provided.

[vercel]

@TharunKumarrA is attempting to deploy a commit to the supersecurehuman's projects team on Vercel, but is not a member of this team. To resolve this issue, you can:

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[Ashrockzzz2003]

Reason was people entered roll numbers in member role field and our validator blocked them the register button. To resolve this ambiguity, approving this change.
Thanks @TharunKumarrA for the fix.