Revert^2 "Add odsign_e2e_tests to CTS."

This reverts commit afbb15209f9dd248ceb9a222cd4dd52dc473884a.

Reason for revert: The test can now pass on user builds with some test cases that require root access skipped.

Bug: 214016309
Test: Presubmits
Change-Id: Iea63e20198dab8af52babc89af41b8051d837c2f