FP5: Remove wait_for_keymaster and all references

No longer needed now init listens for property changes on a
separate thread.

Bug: 186580823
Test: Cuttlefish boots successfully
Change-Id: Ief3a546d2154231d18957c2f703bd128966d7288
diff --git a/init/init.target.rc b/init/init.target.rc
index f93c454..ac06da9 100644
--- a/init/init.target.rc
+++ b/init/init.target.rc
@@ -125,8 +125,6 @@
     setrlimit 8 67108864 67108864
 
 on late-fs
-    wait_for_prop hwservicemanager.ready true
-    #exec_start wait_for_keymaster
     mount_all --late
 
 on post-fs-data