Remove unused constant.

Change-Id: I02e8f76cc1406e693f822822808b3485d2158884
diff --git a/api/current.xml b/api/current.xml
index db19baa3..7709d25 100644
--- a/api/current.xml
+++ b/api/current.xml
@@ -206818,17 +206818,6 @@
  visibility="public"
 >
 </field>
-<field name="FEATURE_HARDWARE_ACCELERATED"
- type="int"
- transient="false"
- volatile="false"
- value="11"
- static="true"
- final="true"
- deprecated="not deprecated"
- visibility="public"
->
-</field>
 <field name="FEATURE_INDETERMINATE_PROGRESS"
  type="int"
  transient="false"
diff --git a/core/java/android/view/Window.java b/core/java/android/view/Window.java
index 6633367..9fadc58 100644
--- a/core/java/android/view/Window.java
+++ b/core/java/android/view/Window.java
@@ -78,10 +78,6 @@
      * If overlay is enabled, the action mode UI will be allowed to cover existing window content.
      */
     public static final int FEATURE_ACTION_MODE_OVERLAY = 10;
-    /**
-     * Flag for requesting this window to be hardware accelerated, if possible. 
-     */
-    public static final int FEATURE_HARDWARE_ACCELERATED = 11;
     /** Flag for setting the progress bar's visibility to VISIBLE */
     public static final int PROGRESS_VISIBILITY_ON = -1;
     /** Flag for setting the progress bar's visibility to GONE */