WebUI cleanup: Remove unnecessary *_SANITIZER related ifdefs from tests.

chrome/test/data/webui/settings/advanced_page_browsertest.js

Index: chrome/test/data/webui/settings/advanced_page_browsertest.js
diff --git a/chrome/test/data/webui/settings/advanced_page_browsertest.js b/chrome/test/data/webui/settings/advanced_page_browsertest.js
index 52947f55da4a50e9af1e83a535e4ea2b72ead849..117e1f2466e7dc4274e88f7c88a587e33d30fffb 100644
--- a/chrome/test/data/webui/settings/advanced_page_browsertest.js
+++ b/chrome/test/data/webui/settings/advanced_page_browsertest.js
@@ -16,10 +16,10 @@ SettingsAdvancedPageBrowserTest.prototype = {
   __proto__: SettingsPageBrowserTest.prototype,
 };
 
-// Times out on debug builders and may time out on memory bots because
-// the Settings page can take several seconds to load in a Release build
-// and several times that in a Debug build. See https://crbug.com/558434.
-GEN('#if defined(MEMORY_SANITIZER) || !defined(NDEBUG)');
+// Times out on debug builders because the Settings page can take several
+// seconds to load in a Release build and several times that in a Debug build.
+// See https://crbug.com/558434.
+GEN('#if !defined(NDEBUG)');
 GEN('#define MAYBE_Load DISABLED_Load');
 GEN('#else');
 GEN('#define MAYBE_Load Load');