Remove obsolete includes from installed_webapp_bridge.cc

Bug: 1147276
Change-Id: I3fd1c16cf67eadf27a8ccc8b7f638f4c090a1ce9
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2531294Reviewed-by: Dominick Ng <dominickn@chromium.org>
Commit-Queue: Evan Stade <estade@chromium.org>
Cr-Commit-Position: refs/heads/master@{#827123}

chrome/browser/installable/installed_webapp_bridge.cc

@@ -9,9 +9,7 @@
 #include "base/android/jni_android.h"
 #include "base/android/jni_string.h"
 #include "base/android/jni_utils.h"
-#include "base/feature_list.h"
 #include "chrome/android/chrome_jni_headers/InstalledWebappBridge_jni.h"
-#include "chrome/browser/flags/android/chrome_feature_list.h"
 #include "url/gurl.h"
 
 using base::android::ConvertJavaStringToUTF8;