Remove blocking call on binder thread to check account features.

Until this check is restored it will mean we cannot set test DeviceOwner
on devices which have pre-configured Accounts.

I will follow up with accounts team to find a more performant solution.

Test: atest CtsDevicePolicyTestCases
Bug: 261552303
Change-Id: Icae7b6d2f22c632e6fb7d5223e2e10b0773cea02