[build] Remove obsolete gn flag

Bug: chromium:1164276
Change-Id: I814f831e218703cfb1f45802b62f38a78dee82e1
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/201281
Reviewed-by: Andrey Logvin <landrey@webrtc.org>
Commit-Queue: Mirko Bonadei <mbonadei@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#32939}
diff --git a/build_overrides/build.gni b/build_overrides/build.gni
index 23942ef..8facdea 100644
--- a/build_overrides/build.gni
+++ b/build_overrides/build.gni
@@ -9,9 +9,6 @@
 # Some non-Chromium builds don't support building java targets.
 enable_java_templates = true
 
-# Some non-Chromium builds don't use Chromium's third_party/binutils.
-linux_use_bundled_binutils_override = true
-
 # Don't set this variable to true when building stadalone WebRTC, it is
 # only needed to support both WebRTC standalone and Chromium builds.
 build_with_chromium = false