[DO NOT MERGE] Revert the "traffic stats log convert to pcap" mechanism

Since we already disable this mechanism in B5/R3.
So we remove it.

Bug: 179620905
Test: Build pass. Basic function work.
Change-Id: Ib5c1d1eaac70d39d30562088fea8d7bed8c6044d
(cherry picked from commit 958602b91923e9fb5156542c875ff10fce2a06e7)
2 files changed