Remove TaplIsTabletTest

This test was there to verify if this check was causing other tests to fail, but it turns out that other tests were the problem. Remvoing this tests as now that we verified that it's a bit redundant

Bug: 366237798
Test: TaplIsTabletTest
Flag: TEST_ONLY
Change-Id: I925108b9ba39b96233f558c89d61791630aefe5a