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/CellularSecurityPreferenceController.java

@@ -72,8 +72,7 @@ public class CellularSecurityPreferenceController extends BasePreferenceControll
     @Override
     public int getAvailabilityStatus() {
         if (!mContext.getPackageManager().hasSystemFeature(PackageManager.FEATURE_TELEPHONY)
-                || !Flags.enableModemCipherTransparencyUnsolEvents()
-                || !Flags.enableModemCipherTransparency()) {
+                || !Flags.enableModemCipherTransparencyUnsolEvents()) {
             return UNSUPPORTED_ON_DEVICE;
         }
         if (mTelephonyManager == null) {

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

@@ -60,8 +60,7 @@ public class CellularSecurityNotificationsDividerController extends
 
     @Override
     public int getAvailabilityStatus() {
-        if (!Flags.enableModemCipherTransparencyUnsolEvents()
-                || !Flags.enableModemCipherTransparency()) {
+        if (!Flags.enableModemCipherTransparencyUnsolEvents()) {
             return UNSUPPORTED_ON_DEVICE;
         }
         if (!isSafetyCenterSupported()) {

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;