Revert "LU-4345 quota: debug patch"

This reverts commit c887711f8724be0b7e86f31dd21d59829960756b.
LU-4345 quota: debug patch

Added some debug message to figure out where the fake uid comes from.

(Taken from attachment on LU-4345)

Morrone: Updated message to inlude bug number and change 7000 check to 70000.

Signed-off-by: Niu Yawei <yawei.niu@intel.com>
Change-Id: Ib9243723f6b70caf313f0a0de5bd10567e2987a3