Removed the flag enable_modem_cipher_transparency_unsol_events

Removed the 24Q3 flag enable_modem_cipher_transparency_unsol_events

Bug: 283336425
Test: atest FrameworksTelephonyTests
Test: Basic telephony functionality tests
Flag: EXEMPT flag cleanup
Change-Id: I0371d66857be77d95a4428673f881c223f332f4c
3 files changed