beckham: Drop IMotHealth from vendor sepolicy

- IMotHealth is labeled in device/lineage/sepolicy now

Change-Id: If70b06efe95a39506b108406a0fde3167bf18eaf

sepolicy-mods/vendor/hwservice_contexts

 com.motorola.mod::IModManager                               u:object_r:hal_modmanager_hwservice:s0
-motorola.hardware.health::IMotHealth                        u:object_r:hal_health_hwservice:s0
 motorola.hardware.vibrator::IMotVibrator                    u:object_r:hal_motvibrator_hwservice:s0