(1) Where a trustee is desirous of being discharged from the trust, and after his or her discharge there will be either a new trust corporation or at least 2 individuals to act as trustees to perform the trust, then, if such trustee as aforesaid by deed declares that he or she is desirous of being discharged from the trust, and if his or her co-trustees and such other person, if any, as is empowered to appoint trustees, by deed consent to the discharge of the trustee, and to the vesting in the co-trustees alone of the trust property, the trustee desirous of being discharged shall be deemed to have retired from the trust, and shall, by the deed, be discharged therefrom under this Part without any new trustee being appointed in his or her place.