bindings: Removes unnecessary Event-related code.

Source/bindings/modules/generated.gyp

Index: Source/bindings/modules/generated.gyp
diff --git a/Source/bindings/modules/generated.gyp b/Source/bindings/modules/generated.gyp
index 9b697541a52198d6123e35743a8e66893a0a5191..5f4bc0ddeb9ef3e29a7cef8dc57d6624563e5dca 100644
--- a/Source/bindings/modules/generated.gyp
+++ b/Source/bindings/modules/generated.gyp
@@ -68,7 +68,6 @@
         'outputs': [
           '<(blink_modules_output_dir)/EventModules.cpp',
           '<(blink_modules_output_dir)/EventModulesHeaders.h',
-          '<(blink_modules_output_dir)/EventModulesInterfaces.h',
         ],
         'action': [
           'python',
@@ -98,25 +97,6 @@
         ],
       },
       {
-        # GN version: //third_party/WebKit/Source/bindings/modules:bindings_modules_generated_event_target_modules_factory
-        'action_name': 'EventTargetModulesFactory',
-        'inputs': [
-          '<@(make_event_factory_files)',
-          '../../modules/EventTargetModulesFactory.in',
-        ],
-        'outputs': [
-          '<(blink_modules_output_dir)/EventTargetModulesHeaders.h',
-          '<(blink_modules_output_dir)/EventTargetModulesInterfaces.h',
-        ],
-        'action': [
-          'python',
-          '../../build/scripts/make_event_factory.py',
-          '../../modules/EventTargetModulesFactory.in',
-          '--output_dir',
-          '<(blink_modules_output_dir)',
-        ],
-      },
-      {
         # GN version: //third_party/WebKit/Source/bindings/modules:bindings_modules_generated_event_target_modules_names
         'action_name': 'EventTargetModulesNames',
         'inputs': [