Revert "frameworks/base/wifi/tests: Run mts-wifi on AOSP builds"

Revert "opt/net/wifi/tests: Run mts-wifi on AOSP builds"

Revert submission 10814415-mts-wifi-com-androi-wifi

Reason for revert: Workaround no longer necessary: b/152559881#comment2
Reverted Changes:
I11baae67e:frameworks/base/wifi/tests: Run mts-wifi on AOSP b...
I66febcbb2:opt/net/wifi/tests: Run mts-wifi on AOSP builds

Bug: 152559881
Test: in continuous runs
Change-Id: I1d5f4d312f4e15ae5e2e56965b3fc76fdefcdcea