Appears safe to remove. Carrier Provisioning Service Provisioning involves the process of preparing and equipping a network to allow it to provide new services to its users. OMADM = OMA Device Management Basically, it handles configuration of the device (including first time use), enabling and disabling features provided by carriers. https://en.wikipedia.org/wiki/OMA_Device_Management Use case seems very limited : https://www.androidpolice.com/2015/03/10/android-5-1-includes-new-carrier-provisioning-api-allows-carriers-easier-methods-of-setting-up-services-on-devices-they-dont-control/
Phones target this application