Revert "FP6: Fork frameworks/opt/telephony"

Description

Revert "FP6: Fork frameworks/opt/telephony"

Screenshots

Technical details

Tests

Issues

e/backlog#8895

10 commandments of code review

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Summary by CodeRabbit

• Chores
  • Removed the telephony framework from FP6 builds via manifest updates.
  • As a result, telephony-related functionality (e.g., calls, SMS, mobile data) will no longer be available on FP6 builds that include this change.