Remove unneeded JNI registrations.

content/shell/android/linker_test_apk/chromium_linker_test_android.cc

Index: content/shell/android/linker_test_apk/chromium_linker_test_android.cc
diff --git a/content/shell/android/linker_test_apk/chromium_linker_test_android.cc b/content/shell/android/linker_test_apk/chromium_linker_test_android.cc
index 5173128dc8a8ff5f81316a48a87ef0e56716e99e..7b12c36828a1b8b51681bdc3e028c2fb98510d12 100644
--- a/content/shell/android/linker_test_apk/chromium_linker_test_android.cc
+++ b/content/shell/android/linker_test_apk/chromium_linker_test_android.cc
@@ -11,7 +11,6 @@
 #include "content/public/app/android_library_loader_hooks.h"
 #include "content/public/app/content_main.h"
 #include "content/public/browser/android/compositor.h"
-#include "content/shell/android/linker_test_apk/chromium_linker_test_linker_tests.h"
 #include "content/shell/android/shell_jni_registrar.h"
 #include "content/shell/app/shell_main_delegate.h"
 
@@ -23,17 +22,11 @@ JNI_EXPORT jint JNI_OnLoad(JavaVM* vm, void* reserved) {
   base::android::InitVM(vm);
   JNIEnv* env = base::android::AttachCurrentThread();
 
-  if (!base::android::RegisterLibraryLoaderEntryHook(env))
-    return -1;
-
   // To be called only from the UI thread.  If loading the library is done on
   // a separate thread, this should be moved elsewhere.
   if (!content::android::RegisterShellJni(env))
     return -1;
 
-  if (!content::RegisterLinkerTestsJni(env))
-    return -1;
-
   content::Compositor::Initialize();
   content::SetContentMainDelegate(new content::ShellMainDelegate());
   return JNI_VERSION_1_4;