Remove the app banner navigation heuristic.

chrome/test/data/banners/prompt_in_handler_test_page.html

Index: chrome/test/data/banners/prompt_in_handler_test_page.html
diff --git a/chrome/test/data/banners/prompt_in_handler_test_page.html b/chrome/test/data/banners/prompt_in_handler_test_page.html
index ae1ed7612ae09f8cc4c7dbff17ffb6ceed3f9d0c..8275f2473f96e2c6c179a691c55b87cb8de22ea3 100644
--- a/chrome/test/data/banners/prompt_in_handler_test_page.html
+++ b/chrome/test/data/banners/prompt_in_handler_test_page.html
@@ -5,10 +5,7 @@
     <script src="main.js"></script>
     <script>
       window.addEventListener('beforeinstallprompt', function(e) {
-        console.log('Preventing banner from appearing');
         e.preventDefault();
-
-        console.log('Re-prompt banner');
         e.prompt();
       });
     </script>