Remove misleading comment.

The BOARD_SEPOLICY_UNION values are not order-dependent, but rather the
values for BOARD_SEPOLICY_DIRS are.  Remove this as it may be misleading.

Change-Id: Ic18654fa36ed4ed141f61d0779e284082e4ca0d8
diff --git a/BoardConfig.mk b/BoardConfig.mk
index a8b7b5c..3c9f062 100644
--- a/BoardConfig.mk
+++ b/BoardConfig.mk
@@ -97,7 +97,6 @@
 BOARD_SEPOLICY_DIRS += \
        device/lge/hammerhead/sepolicy
 
-# The list below is order dependent
 BOARD_SEPOLICY_UNION += \
        app.te \
        bluetooth_loader.te \