Drop unused String.

Change-Id: I152447bec37db33f6c4356e2a373b00ff99d7de7
Signed-off-by: rpcraig <rpcraig@tycho.ncsc.mil>
diff --git a/services/core/java/com/android/server/updates/ConfigUpdateInstallReceiver.java b/services/core/java/com/android/server/updates/ConfigUpdateInstallReceiver.java
index 7f7aae3..1135dfe 100644
--- a/services/core/java/com/android/server/updates/ConfigUpdateInstallReceiver.java
+++ b/services/core/java/com/android/server/updates/ConfigUpdateInstallReceiver.java
@@ -47,7 +47,6 @@
 
     private static final String TAG = "ConfigUpdateInstallReceiver";
 
-    private static final String EXTRA_CONTENT_PATH = "CONTENT_PATH";
     private static final String EXTRA_REQUIRED_HASH = "REQUIRED_HASH";
     private static final String EXTRA_SIGNATURE = "SIGNATURE";
     private static final String EXTRA_VERSION_NUMBER = "VERSION";