Remove legacy MIN_POWER_THRESHOLD_MILLI_AMP_HOURS threshold value

in the new design, we should store all data into the databae for showing
the battery history, we should not filter the items first from the
consumed battery value threshold

Bug: 191468827
Test: make SettingsRoboTests
Change-Id: I19d971fc5cdcc40af1693dc8ba2c78586da22d49