Remove -std=c++17 from bazelrc (#918)

This is the default in the toolchains now, this flag was invalid for
windows so CI warned

Closes #918

COPYBARA_INTEGRATE_REVIEW=https://github.com/bazelbuild/rules_cc/pull/918 from keith:ks/remove-std-c-17-from-bazelrc 0829b78995a6faa0d3956f882d810e266c9a547d
PiperOrigin-RevId: 992301854
Change-Id: I2364dc05bc0963edd8a23368af0da64ef46baeda

.bazelrc

diff --git a/.bazelrc b/.bazelrc
index e1b2f6f..0d722cf 100644
--- a/.bazelrc
+++ b/.bazelrc
@@ -2,6 +2,4 @@
 # TODO: Remove https://github.com/bazelbuild/bazel/pull/31423
 common:windows --remote_download_all
 
-# Required by googletest 1.17.
-common --cxxopt=-std=c++17
 test --test_env=PATH=/bin:/usr/bin:/usr/local/bin