Revert "Add mapping to trigger NetworkSecurity unit tests on presubmit for tethering-mainline-presubmit"

This reverts commit f37bf52f86efa22784c14ea74b208a45e6b1741f.

Reason for revert: b/398885474

Change-Id: Ib5d6ee1fe2738518ba6c3de17c42bb59a673e6af
1 file changed