Remove MODULE_LICENSE_APACHE2 from ExtServices

Repositories containing third-party code need a METADATA and a
license_type. Repositories containing only first-party code no longer
need a MODULE_LICENSE_* file.

Bug: 68860345
Bug: 69058154
Bug: 151953481

Test: no code changes

Exempt-From-Owner-Approval: janitorial work

Change-Id: Id83347dadc4f25b3e0eb144ffa4b12c93185a80d
1 file changed