Remove danielnorman@ from OWNERs. am: 54c128abe9 am: a565d530c4 am: b72fa769c3 am: c572ee9baa

Original change: https://android-review.googlesource.com/c/platform/tools/treble/+/2118357

Change-Id: Ia8aa56d4dc40cf91f81cf038432c1ac933dc3807
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>