remove code for vti dashboard am: 4ebfbc3e96

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

Change-Id: I983159eb45d3c5c226236631273aa40f41071f07
tree: 4b825dc642cb6eb9a060e54bf8d69288fbee4904

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