Revert "Load default prop from /system/etc/prop.default"
This reverts commit 810d71b0.
init fails to read default.prop under recovery:
init: Couldn't load properties from /default.prop: Too many symbolic links encountered
Bug: 62525809
Change-Id: I1f84a18e545e1307dcb230be51606cca731667f9
(cherry picked from commit 98a73a2c)