The personal representative of any mortgagee or trustee in any mortgage or deed of trust which has heretofore or which may hereafter be registered in the manner required by the laws of this State may satisfy of record, discharge and release the same and all property thereby conveyed by deed of quitclaim, release or conveyance executed, acknowledged and recorded as is now prescribed by law for the execution, acknowledgment and registration of deeds and mortgages in this State.
N.C. Gen. Stat. § 45-41