update:将垃圾回收放置ws关闭处，避免频繁操作

main/xiaozhi-server/core/utils/opus_encoder_utils.py

@@ -133,6 +133,5 @@ class OpusEncoderUtils:
             try:
                 del self.encoder
                 self.encoder = None
-                gc.collect()
             except Exception as e:
                 logging.error(f"Error releasing Opus encoder: {e}")

main/xiaozhi-server/core/utils/util.py

@@ -398,7 +398,6 @@ def opus_datas_to_wav_bytes(opus_datas, sample_rate=16000, channels=1):
         if decoder is not None:
             try:
                 del decoder
-                gc.collect()
             except Exception:
                 pass