Remove LICENSE and NOTICE symlinks. am: f4d302a7b7

Original change: https://android-review.googlesource.com/c/platform/external/xz-java/+/3037388

Change-Id: Ic82276dc9575dbf034aadcda3750cc2f4fe8487a
Signed-off-by: Automerger Merge Worker <[email protected]>