Revert of [sensors] Ambient light sensor bindings implementation

third_party/WebKit/Source/modules/sensor/AmbientLightSensor.idl

Index: third_party/WebKit/Source/modules/sensor/AmbientLightSensor.idl
diff --git a/third_party/WebKit/Source/modules/sensor/AmbientLightSensor.idl b/third_party/WebKit/Source/modules/sensor/AmbientLightSensor.idl
deleted file mode 100644
index eb3daf810da018d4d201c8d1cdb53df83b808c23..0000000000000000000000000000000000000000
--- a/third_party/WebKit/Source/modules/sensor/AmbientLightSensor.idl
+++ /dev/null
@@ -1,14 +0,0 @@
-// Copyright 2016 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.
-
-// Specification at:
-// https://w3c.github.io/ambient-light/#ambient-light-sensor-interface
-
-[
-    RuntimeEnabled=Sensor,
-    Constructor(optional SensorOptions sensorOptions),
-    ConstructorCallWith=ExecutionContext,
-] interface AmbientLightSensor : Sensor {
-    readonly attribute AmbientLightSensorReading? reading;
-};