Delete the last iptables commands in BandwidthController.

Bug: 28362720
Test: netd_{unit,integration}_test pass
Change-Id: I7e64747e3b933cdf1b76cd20356b9ff86015ec61
Merged-In: I2b68d17d7c7640e3956ae010f9882d34bf24d9fc
2 files changed