Fix a mismerge by removing duplicated flag for improved wallet role icon

This should have been skipped by automerger; however we missed it due to
an unrelated merge conflict and git merge have applied the change
because it did not cause a conflict itself.  The rest of aosp/3414381
was merged correctly.

Bug: 349942654
Merged-In: I5f91668aca93fcba963e046b7f26345f40a0c6f3
Change-Id: Ia8c7a741172be4a4da787c52dfa4d4f5dd9af4c1