Remove libdvm VMRuntime.vmFlags

Change-Id: I9305e3d350997a82f1caf2b2f0f30521920b2f62
diff --git a/libdvm/src/main/java/dalvik/system/VMRuntime.java b/libdvm/src/main/java/dalvik/system/VMRuntime.java
index 0b0fdc2..1d58d8d 100644
--- a/libdvm/src/main/java/dalvik/system/VMRuntime.java
+++ b/libdvm/src/main/java/dalvik/system/VMRuntime.java
@@ -94,13 +94,6 @@
     }
 
     /**
-     * Returns the VM's internal flags.
-     */
-    public String vmFlags() {
-        return "";
-    }
-
-    /**
      * Returns whether the VM is running in 64-bit mode.
      */
     public boolean is64Bit() {