[automerger skipped] Remove redundant NOTICE copied from LICENSE. am: 5db98ebd4b am: 4db4fd9d94 am: 3fcbdd3647 am: 33053aca03 -s ours am: 0247368680 -s ours am: 898a8083b6 -s ours

am skip reason: Change-Id I9ca2f8c0713c2f11b014bf22b2f85c19437be2d6 with SHA-1 735624bc34 is in history

Original change: https://googleplex-android-review.googlesource.com/c/platform/external/walt/+/11926621

Change-Id: I01ee73eaa31a091eb65cb1e07d0422428a19be65