Drop the comments from the bitrate clamp

Review feedback: the clamp expression and the test name state the rule.

libraries/mediaupload/impl/src/main/kotlin/io/element/android/libraries/mediaupload/impl/VideoCompressorConfig.kt

@@ -36,11 +36,6 @@ internal object VideoCompressorConfigFactory {
         // If we need to resize the video, we also want to recalculate the bitrate
         val optimalBitrate = resizer.calculateOptimalBitrate(Size(width, height), newFrameRate).toInt()
 
-        // Never ask the encoder for more than the source already carries: re-encoding a video that is
-        // already efficiently encoded at a low bitrate otherwise inflates it, making the upload both
-        // slower and bigger than sending the original. METADATA_KEY_BITRATE is the container total,
-        // video plus audio, so it is a safe upper bound for the video track alone.
-        // See https://github.com/element-hq/element-x-android/issues/4191
         val sourceBitrate = metadata?.bitrate?.takeIf { it > 0 }
         val newBitrate = sourceBitrate?.let { min(optimalBitrate.toLong(), it).toInt() } ?: optimalBitrate
 

libraries/mediaupload/impl/src/test/kotlin/io/element/android/libraries/mediaupload/impl/VideoCompressorConfigFactoryTest.kt

@@ -35,8 +35,6 @@ class VideoCompressorConfigFactoryTest : RobolectricTest() {
 
     @Test
     fun `the bitrate is clamped to the source bitrate when the source is already low`() {
-        // A 720x720 clip encoded at 615 kbps: the calculated optimal is far higher, which would
-        // re-encode it into a much bigger file.
         val metadata = VideoFileMetadata(width = 720, height = 720, bitrate = 615_000, frameRate = 25, rotation = 0)
 
         val videoCompressorConfig = VideoCompressorConfigFactory.create(