remove duplicated ro.lmk.log_stats setting from device-common.mk

Duplicated sysprop assignments will be prohibited when
I9c073a21c8257987cf2378012cadaeeeb698a4fb lands.

Bug: 117892318
Bug: 158735147
Test: m
Merged-In: Icd5c23146320d355215a0314417396dbf0246a76
Change-Id: Icd5c23146320d355215a0314417396dbf0246a76
(cherry picked from commit 097a89bdabd56be63833a07dacdc7175ac2f0c26)
1 file changed