stop including rootdir build.prop

merged with default.prop

Change-Id: I18fcd37ddc63e3607278d0741181d0779118132d
diff --git a/init/property_service.cpp b/init/property_service.cpp
index 930ef82..526e8ac 100644
--- a/init/property_service.cpp
+++ b/init/property_service.cpp
@@ -509,7 +509,6 @@
 void load_all_props() {
     load_properties_from_file(PROP_PATH_SYSTEM_BUILD, NULL);
     load_properties_from_file(PROP_PATH_VENDOR_BUILD, NULL);
-    load_properties_from_file(PROP_PATH_BOOTIMAGE_BUILD, NULL);
     load_properties_from_file(PROP_PATH_FACTORY, "ro.*");
 
     load_override_properties();