Issue #2764821 by Dinesh18, Alka Kumari, Calystod, pk188, xjm, catch: Inline unicode_requirements() in system_requirements()

Revert "Issue #2764821 by Dinesh18, Alka Kumari, pk188, xjm, catch: Inline unicode_requirements() in system_requirements()"

This reverts commit 4d14b5f2.

Issue #2764821 by Dinesh18, Alka Kumari, pk188, xjm, catch: Inline unicode_requirements() in system_requirements()