strip the <important> tags

Author: rmcwhorter

fern/calls/websocket-transport.mdx

@@ -66,9 +66,7 @@ When creating a WebSocket call, the audio format can be customized:
 | `container` | Audio container format  | `raw` (Raw PCM)         |
 | `sampleRate`| Sample rate in Hz       | `16000` (16kHz)         |
 
-<Important>
 Currently, Vapi supports only raw PCM (`pcm_s16le` with `raw` container). Additional formats may be supported in future updates.
-</Important>
 
 <Note>
 Vapi automatically converts sample rates as needed. You can stream audio at 8kHz, 44.1kHz, etc., and Vapi will handle conversions seamlessly.