don't restart surfaceflinger when the window manager dies

Change-Id: Ia3c60e6c5471e2b72d53c936de44b730c68095e0
diff --git a/rootdir/init.rc b/rootdir/init.rc
index 7d19430..de567b6 100644
--- a/rootdir/init.rc
+++ b/rootdir/init.rc
@@ -426,7 +426,6 @@
     socket zygote stream 666
     onrestart write /sys/android_power/request_state wake
     onrestart write /sys/power/state on
-    onrestart restart surfaceflinger
     onrestart restart media
     onrestart restart netd