googletest: Remove noop defines

GTEST_LANG_CXX11 and GTEST_HAS_TR1_TUPLE are not used in googletest
anymore.

Change-Id: I600fddb72e5cdba9321adcf3474ae91af9c0f51c
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/6415989
Auto-Submit: Takuto Ikuta <tikuta@chromium.org>
Reviewed-by: Nico Weber <thakis@chromium.org>
Commit-Queue: Nico Weber <thakis@chromium.org>
Cr-Commit-Position: refs/heads/main@{#1440271}
NOKEYCHECK=True
GitOrigin-RevId: 9b79b9f033ff47262620ac301d4d99f1228e23e5
diff --git a/BUILD.gn b/BUILD.gn
index 74c9eb6..cab1f52 100644
--- a/BUILD.gn
+++ b/BUILD.gn
@@ -23,12 +23,6 @@
     # and other systems, we tell gtest to always use its internal engine.
     "GTEST_HAS_POSIX_RE=0",
 
-    # Enables C++11 features.
-    "GTEST_LANG_CXX11=1",
-
-    # Prevents gtest from including both <tr1/tuple> and <tuple>.
-    "GTEST_HAS_TR1_TUPLE=0",
-
     # Use Abseil, but without flags support: Abseil flags uses the
     # `FastTypeId<T>()` pattern internally, which is known to be broken in
     # subtle ways in the component build.