Stop running 'bwe_simulations_tests'.

The test binary will be remove by
https://webrtc-review.googlesource.com/c/src/+/140945.

Bug: webrtc:9883
Change-Id: I4d5276c51796586615e089339fba1cf8b0010927
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/142229
Reviewed-by: Oleh Prypin <oprypin@webrtc.org>
Commit-Queue: Mirko Bonadei <mbonadei@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#28304}
diff --git a/tools_webrtc/mb/gn_isolate_map.pyl b/tools_webrtc/mb/gn_isolate_map.pyl
index 80b3708..43bdc17 100644
--- a/tools_webrtc/mb/gn_isolate_map.pyl
+++ b/tools_webrtc/mb/gn_isolate_map.pyl
@@ -31,10 +31,6 @@
     "label": "//modules/audio_coding:audio_decoder_unittests",
     "type": "console_test_launcher",
   },
-  "bwe_simulations_tests": {
-    "label": "//modules/remote_bitrate_estimator:bwe_simulations_tests",
-    "type": "console_test_launcher",
-  },
   "common_audio_unittests": {
     "label": "//common_audio:common_audio_unittests",
     "type": "console_test_launcher",