init: Remove arbitrary delay in async persist writes.

Bug: 297093092
Test: manual test
Change-Id: Ia80b33d2fe87aa5da64b4f156fefeb474e68dc93
diff --git a/init/property_service.cpp b/init/property_service.cpp
index 2064fae..cdd0afe 100644
--- a/init/property_service.cpp
+++ b/init/property_service.cpp
@@ -1461,8 +1461,6 @@
             work_.pop_front();
         }
 
-        std::this_thread::sleep_for(1s);
-
         // Perform write/fsync outside the lock.
         WritePersistentProperty(std::get<0>(item), std::get<1>(item));
         NotifyPropertyChange(std::get<0>(item), std::get<1>(item));