Revert of bluetooth: mac: Initial BluetoothRemoteGattCharacteristicMac implementation

device/bluetooth/bluetooth_low_energy_peripheral_delegate.mm

Index: device/bluetooth/bluetooth_low_energy_peripheral_delegate.mm
diff --git a/device/bluetooth/bluetooth_low_energy_peripheral_delegate.mm b/device/bluetooth/bluetooth_low_energy_peripheral_delegate.mm
index 19b628b720296e50b0e0564b030b321fa55ab39b..761442910df3d3a06ea962651309c7000157c47b 100644
--- a/device/bluetooth/bluetooth_low_energy_peripheral_delegate.mm
+++ b/device/bluetooth/bluetooth_low_energy_peripheral_delegate.mm
@@ -25,10 +25,6 @@
 
   void DidDiscoverPrimaryServices(NSError* error) {
     device_mac_->DidDiscoverPrimaryServices(error);
-  };
-
-  void DidDiscoverCharacteristics(CBService* service, NSError* error) {
-    device_mac_->DidDiscoverCharacteristics(service, error);
   };
 
   CBPeripheral* GetPeripheral() { return device_mac_->GetPeripheral(); }
@@ -64,10 +60,4 @@
   bridge_->DidDiscoverPrimaryServices(error);
 }
 
-- (void)peripheral:(CBPeripheral*)peripheral
-    didDiscoverCharacteristicsForService:(CBService*)service
-                                   error:(NSError*)error {
-  bridge_->DidDiscoverCharacteristics(service, error);
-}
-
 @end