Revert "Log AudioContext sample rate for mobile diagnosis"

static/index.html

@@ -358,7 +358,6 @@ async function connect() {
 
     playbackCtx = new (window.AudioContext || window.webkitAudioContext)({ sampleRate: SAMPLE_RATE });
     playbackTime = playbackCtx.currentTime;
-    console.log('[audio] requested rate:', SAMPLE_RATE, '— actual playbackCtx.sampleRate:', playbackCtx.sampleRate, '— mic audioCtx.sampleRate:', audioCtx.sampleRate, '— UA:', navigator.userAgent);
     analyser = playbackCtx.createAnalyser();
     analyser.fftSize = 1024;
     analyser.smoothingTimeConstant = 0.55;