Replace system/update_engine path to new repository android_system_update_engine

Change-Id: I6a3611864b12239b89e04bd6f7d9a98891c08314
diff --git a/remove.xml b/remove.xml
index 4d77c49..198f426 100644
--- a/remove.xml
+++ b/remove.xml
@@ -158,4 +158,5 @@
   <remove-project name="platform/system/sepolicy" />
   <remove-project name="platform/system/vold" />
   <remove-project name="platform/system/hardware/interfaces" />
+  <remove-project name="platform/system/update_engine" />
 </manifest>