Remove duplicate test

PowerUsageSummary was duplicated to have the old version exist
in developer options. This test is for a debug feature which will
not be released so there is no point in having a duplicate of it
as well. This CL removes that test.

Test: Is a test CL
Bug: 73513677
Change-Id: Ia3ed704018cfaa0b05c4bf0f2799ff8151ba4b85