Revert "libui: Load a.h.graphics.mapper passthrough service on library load"

This reverts commit 75ca86f0.

avc: denied { read } name="hw" scontext=u:r:cameraserver:s0
tcontext=u:object_r:system_file:s0 tclass=dir
avc: denied { read } name="hw" scontext=u:r:folio_daemon:s0
tcontext=u:object_r:system_file:s0 tclass=dir
avc: denied { read } name="hw" scontext=u:r:hal_imsrtp:s0
tcontext=u:object_r:system_file:s0 tclass=dir
avc: denied { read } name="hw" scontext=u:r:idmap:s0
tcontext=u:object_r:system_file:s0 tclass=dir
avc: denied { read } name="hw" scontext=u:r:mediaextractor:s0
tcontext=u:object_r:system_file:s0 tclass=dir
avc: denied { read } name="hw" scontext=u:r:mediametrics:s0
tcontext=u:object_r:system_file:s0 tclass=dir
avc: denied { read } name="hw" scontext=u:r:webview_zygote:s0
tcontext=u:object_r:system_file:s0 tclass=dir

Bug: 62353585
Bug: 62912747
Bug: 35197529
Test: build and boot device. Launch camera, take pictures.
Change-Id: Ic6884f7235edb9191034a285414eb93aa44ac23c