Revert of Enable trendline experiment and bayesian bitrate estimator experiment by default.

webrtc/call/rampup_tests.cc

Index: webrtc/call/rampup_tests.cc
diff --git a/webrtc/call/rampup_tests.cc b/webrtc/call/rampup_tests.cc
index 6c3cce60103010e41f669f02a0f683aed43a248c..0a2a7384d8dd7d0ad1eec0a1c68a88ee3b8b939c 100644
--- a/webrtc/call/rampup_tests.cc
+++ b/webrtc/call/rampup_tests.cc
@@ -417,9 +417,8 @@
                    rtx,
                    red,
                    report_perf_stats),
-      link_rates_({4 * GetExpectedHighBitrate() / (3 * 1000),
-                   kLowBandwidthLimitBps / 1000,
-                   4 * GetExpectedHighBitrate() / (3 * 1000), 0}),
+      link_rates_({GetHighLinkCapacity(), kLowBandwidthLimitBps / 1000,
+                   GetHighLinkCapacity(), 0}),
       test_state_(kFirstRampup),
       next_state_(kTransitionToNextState),
       state_start_ms_(clock_->TimeInMilliseconds()),
@@ -487,6 +486,10 @@
   if (num_video_streams_ > 0)
     expected_bitrate_bps += kExpectedHighVideoBitrateBps;
   return expected_bitrate_bps;
+}
+
+int RampUpDownUpTester::GetHighLinkCapacity() const {
+  return 4 * GetExpectedHighBitrate() / (3 * 1000);
 }
 
 size_t RampUpDownUpTester::GetFecBytes() const {