Cleaned up the flag enable_modem_cipher_transparency

Cleaned up the 24Q3 flag enable_modem_cipher_transparency

Bug: 283336425
Test: Basic telephony functionality tests
Test: atest FrameworksTelephonyTests
Flag: EXEMPT removing flag
Change-Id: Ibdb3613d4633535a2d855cc0383c05315ef4e890

src/com/android/settings/network/telephony/CellularSecurityNotificationsPreferenceController.java

@@ -178,8 +178,7 @@ public class CellularSecurityNotificationsPreferenceController extends
     }
 
     private boolean areFlagsEnabled() {
-        if (!Flags.enableModemCipherTransparencyUnsolEvents()
-                || !Flags.enableModemCipherTransparency()) {
+        if (!Flags.enableModemCipherTransparencyUnsolEvents()) {
             return false;
         }
         return true;