Remove unneeded JNI registrations.

mojo/mojo.gyp

 # Copyright 2013 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 {
   'target_defaults': {
     'conditions': [
       ['mojo_shell_debug_url != ""', {
         'defines': [
           'MOJO_SHELL_DEBUG=1',
@@ skipping 553 matching lines @@
             '../ui/gl/gl.gyp:gl',
             'mojo_common_lib',
             'mojo_environment_chromium',
             'mojo_jni_headers',
             'mojo_shell_bindings',
             'mojo_shell_lib',
           ],
           'sources': [
             'shell/android/library_loader.cc',
             'shell/android/mojo_main.cc',
-            'shell/android/mojo_main.h',
           ],
         },
         {
           'target_name': 'mojo_shell_apk',
           'type': 'none',
           'dependencies': [
             '../base/base.gyp:base_java',
             '../net/net.gyp:net_java',
             'mojo_native_viewport_java',
             'libmojo_shell',
@@ skipping 21 matching lines @@
             'mojo_js_unittests.isolate',
           ],
           'sources': [
             'mojo_js_unittests.isolate',
           ],
         },
       ],
     }],
   ],
 }