Delete AirplaneModeTest am: 2e0b45004c am: 0e4b401e69 am: 52fb8c8a8a

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Connectivity/+/1752425

Change-Id: I700d17057a99339f60099c5886bf0edbb9c7c1f2