Revert of Use different restrictions of acked bitrate lag depending on operating point.

webrtc/modules/remote_bitrate_estimator/aimd_rate_control_unittest.cc

Index: webrtc/modules/remote_bitrate_estimator/aimd_rate_control_unittest.cc
diff --git a/webrtc/modules/remote_bitrate_estimator/aimd_rate_control_unittest.cc b/webrtc/modules/remote_bitrate_estimator/aimd_rate_control_unittest.cc
index 878a03c4f56cf3eb6495620bd63a278eb7dd621f..b36b16ddbf1d137d025e2a8a1886a950399ef753 100644
--- a/webrtc/modules/remote_bitrate_estimator/aimd_rate_control_unittest.cc
+++ b/webrtc/modules/remote_bitrate_estimator/aimd_rate_control_unittest.cc
@@ -89,42 +89,4 @@
             states.aimd_rate_control->GetLastBitrateDecreaseBps());
 }
 
-TEST(AimdRateControlTest, BweLimitedByAckedBitrate) {
-  auto states = CreateAimdRateControlStates();
-  constexpr int kAckedBitrate = 10000;
-  InitBitrate(states, kAckedBitrate,
-              states.simulated_clock->TimeInMilliseconds());
-  while (states.simulated_clock->TimeInMilliseconds() - kClockInitialTime <
-         20000) {
-    UpdateRateControl(states, kBwNormal, kAckedBitrate,
-                      states.simulated_clock->TimeInMilliseconds());
-    states.simulated_clock->AdvanceTimeMilliseconds(100);
-  }
-  ASSERT_TRUE(states.aimd_rate_control->ValidEstimate());
-  EXPECT_EQ(static_cast<uint32_t>(1.5 * kAckedBitrate + 10000),
-            states.aimd_rate_control->LatestEstimate());
-}
-
-TEST(AimdRateControlTest, BweNotLimitedByDecreasingAckedBitrate) {
-  auto states = CreateAimdRateControlStates();
-  constexpr int kAckedBitrate = 100000;
-  InitBitrate(states, kAckedBitrate,
-              states.simulated_clock->TimeInMilliseconds());
-  while (states.simulated_clock->TimeInMilliseconds() - kClockInitialTime <
-         20000) {
-    UpdateRateControl(states, kBwNormal, kAckedBitrate,
-                      states.simulated_clock->TimeInMilliseconds());
-    states.simulated_clock->AdvanceTimeMilliseconds(100);
-  }
-  ASSERT_TRUE(states.aimd_rate_control->ValidEstimate());
-  // If the acked bitrate decreases the BWE shouldn't be reduced to 1.5x
-  // what's being acked, but also shouldn't get to increase more.
-  uint32_t prev_estimate = states.aimd_rate_control->LatestEstimate();
-  UpdateRateControl(states, kBwNormal, kAckedBitrate / 2,
-                    states.simulated_clock->TimeInMilliseconds());
-  uint32_t new_estimate = states.aimd_rate_control->LatestEstimate();
-  EXPECT_NEAR(new_estimate, static_cast<uint32_t>(1.5 * kAckedBitrate + 10000),
-              2000);
-  EXPECT_EQ(new_estimate, prev_estimate);
-}
 }  // namespace webrtc