Delete deprecated CreateAudioEncoderFactory with unused field trials parameter

Field trials are passed during AudioEncoder construction through Environment parameter
All known users were migrated to the same named function without parameters.

Bug: webrtc:343086059
Change-Id: I79e2edae22ab43f98a386430da82b41d1c71e426
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/358061
Auto-Submit: Danil Chapovalov <danilchap@webrtc.org>
Reviewed-by: Jakob Ivarsson‎ <jakobi@webrtc.org>
Commit-Queue: Jakob Ivarsson‎ <jakobi@webrtc.org>
Cr-Commit-Position: refs/heads/main@{#42693}
diff --git a/api/audio_codecs/audio_encoder_factory_template.h b/api/audio_codecs/audio_encoder_factory_template.h
index 978605e..6a70c57 100644
--- a/api/audio_codecs/audio_encoder_factory_template.h
+++ b/api/audio_codecs/audio_encoder_factory_template.h
@@ -22,7 +22,6 @@
 #include "api/audio_codecs/audio_encoder_factory.h"
 #include "api/audio_codecs/audio_format.h"
 #include "api/environment/environment.h"
-#include "api/field_trials_view.h"
 #include "api/make_ref_counted.h"
 #include "api/scoped_refptr.h"
 
@@ -193,13 +192,6 @@
       audio_encoder_factory_template_impl::AudioEncoderFactoryT<Ts...>>();
 }
 
-// TODO: bugs.webrtc.org/343086059 - Delete after 2024-07-24
-template <typename... Ts>
-[[deprecated]] rtc::scoped_refptr<AudioEncoderFactory>
-CreateAudioEncoderFactory(const FieldTrialsView*) {
-  return CreateAudioEncoderFactory<Ts...>();
-}
-
 }  // namespace webrtc
 
 #endif  // API_AUDIO_CODECS_AUDIO_ENCODER_FACTORY_TEMPLATE_H_