base: Remove the string logging from CHECK().

ash/mus/test/wm_test_base.cc

Index: ash/mus/test/wm_test_base.cc
diff --git a/ash/mus/test/wm_test_base.cc b/ash/mus/test/wm_test_base.cc
index e3a05cb042a045d45f49c886d78fff8f8c4da31e..1fe3c276534b9cbb41e9dccd1554ee1aa1ac6cbc 100644
--- a/ash/mus/test/wm_test_base.cc
+++ b/ash/mus/test/wm_test_base.cc
@@ -57,10 +57,10 @@ ui::mojom::WindowType MusWindowTypeFromWmWindowType(
 WmTestBase::WmTestBase() {}
 
 WmTestBase::~WmTestBase() {
-  CHECK(setup_called_)
-      << "You have overridden SetUp but never called WmTestBase::SetUp";
-  CHECK(teardown_called_)
-      << "You have overridden TearDown but never called WmTestBase::TearDown";
+  // You have overridden SetUp but never called WmTestBase::SetUp
+  CHECK(setup_called_);
+  // You have overridden TearDown but never called WmTestBase::TearDown
+  CHECK(teardown_called_);
 }
 
 bool WmTestBase::SupportsMultipleDisplays() const {