Delete deprecated version of AudioCodingModule::IncomingPacket

Followup to https://webrtc-review.googlesource.com/c/123188

Bug: webrtc:5876
Change-Id: Ia1cf7ebafddeb4fe2caece644739fbc2b55e4d66
Reviewed-on: https://webrtc-review.googlesource.com/c/123238
Reviewed-by: Karl Wiberg <kwiberg@webrtc.org>
Commit-Queue: Niels Moller <nisse@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#26749}
diff --git a/modules/audio_coding/include/audio_coding_module.h b/modules/audio_coding/include/audio_coding_module.h
index d5af571..7e5bf1b 100644
--- a/modules/audio_coding/include/audio_coding_module.h
+++ b/modules/audio_coding/include/audio_coding_module.h
@@ -21,8 +21,6 @@
 #include "api/audio_codecs/audio_encoder.h"
 #include "modules/audio_coding/include/audio_coding_module_typedefs.h"
 #include "modules/audio_coding/neteq/include/neteq.h"
-#include "modules/include/module_common_types.h"
-#include "rtc_base/deprecation.h"
 #include "rtc_base/function_view.h"
 #include "system_wrappers/include/clock.h"
 
@@ -249,12 +247,6 @@
   virtual int32_t IncomingPacket(const uint8_t* incoming_payload,
                                  const size_t payload_len_bytes,
                                  const RTPHeader& rtp_header) = 0;
-  RTC_DEPRECATED
-  int32_t IncomingPacket(const uint8_t* incoming_payload,
-                         const size_t payload_len_bytes,
-                         const WebRtcRTPHeader& rtp_info) {
-    return IncomingPacket(incoming_payload, payload_len_bytes, rtp_info.header);
-  }
 
   ///////////////////////////////////////////////////////////////////////////
   // int SetMinimumPlayoutDelay()