Remove obsolete hardware auto-brightness support.

Change-Id: Iab4bf538268c166a16b4b80f0a2c6361d63c2e2d
Signed-off-by: Mike Lockwood <lockwood@android.com>
diff --git a/include/hardware/lights.h b/include/hardware/lights.h
index 8c17c94..fd89384 100755
--- a/include/hardware/lights.h
+++ b/include/hardware/lights.h
@@ -66,18 +66,6 @@
 #define LIGHT_FLASH_TIMED           1
 
 /**
- * Use these definitions for the Ambient Light sensing modes.  Manual will
- * force the display brightness based on the slider bar.  Automatic mode will
- * force the system to control the lighting regions.
- * WARNING - DO NOT USE THIS FEATURE
- * Hardware auto brightness support is deprecated and will be removed in the next release.
- */
-
-#define ALS_MODE_MANUAL                      0
-#define ALS_MODE_AUTOMATIC                   1
-
-
-/**
  * The parameters that can be set for a given light.
  *
  * Not all lights must support all parameters.  If you
@@ -118,15 +106,6 @@
      */
     int (*set_light)(struct light_device_t* dev,
             struct light_state_t const* state);
-    /**
-     * Set the global ambient light sensing value.
-     *
-     * Returns: 0 on succes, error code on failure.
-     *
-     * WARNING - DO NOT USE THIS FEATURE
-     * Hardware auto brightness support is deprecated and will be removed in the next release.
-     */
-    int (*set_als_mode)(int mode);
 };