remove code for vti dashboard am: 4ebfbc3e96 am: 4642c7edfa

Original change: https://android-review.googlesource.com/c/platform/test/vti/dashboard/+/1926182

Change-Id: I77061999409191f833065594517bffc3e826f9f5
tree: 4b825dc642cb6eb9a060e54bf8d69288fbee4904

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