Revert "vpx use webrtc parameter"

This reverts commit d23fd902d7.

libs/scrap/examples/benchmark.rs

@@ -101,8 +101,10 @@ fn test_vpx(
     let config = EncoderCfg::VPX(VpxEncoderConfig {
         width: width as _,
         height: height as _,
+        timebase: [1, 1000],
         bitrate: bitrate_k as _,
         codec: codec_id,
+        num_threads: (num_cpus::get() / 2) as _,
     });
     let mut encoder = VpxEncoder::new(config).unwrap();
     let mut vpxs = vec![];

libs/scrap/examples/record-screen.rs

@@ -101,8 +101,10 @@ fn main() -> io::Result<()> {
     let mut vpx = vpx_encode::VpxEncoder::new(EncoderCfg::VPX(vpx_encode::VpxEncoderConfig {
         width,
         height,
+        timebase: [1, 1000],
         bitrate: args.flag_bv,
         codec: vpx_codec,
+        num_threads: 0,
     }))
     .unwrap();