Bluetooth Audio: Remove WARN log spam in IsSessionReady

Bug: 150670922
Tag: #feature
Test: vts-tradefed run vts -m VtsHalBluetoothAudioV2_1TargetTest
Change-Id: Ib3ee17bcdd91e437dd8333c05d31013cb8ac6c9d
diff --git a/bluetooth/audio/utils/session/BluetoothAudioSession_2_1.cpp b/bluetooth/audio/utils/session/BluetoothAudioSession_2_1.cpp
index 77f7c3b..c250ef1 100644
--- a/bluetooth/audio/utils/session/BluetoothAudioSession_2_1.cpp
+++ b/bluetooth/audio/utils/session/BluetoothAudioSession_2_1.cpp
@@ -61,8 +61,6 @@
 }
 
 bool BluetoothAudioSession_2_1::IsSessionReady() {
-  LOG(WARNING) << __func__ << " session_type: " << toString(session_type_2_1_);
-
   if (session_type_2_1_ !=
       SessionType_2_1::LE_AUDIO_HARDWARE_OFFLOAD_ENCODING_DATAPATH) {
     return audio_session->IsSessionReady();