A servitude is extinguished:
1.By the vesting of the right to the servitude and the right to the servient tenement in the same person;
2.By the destruction of the servient tenement;
3.By the performance of any act upon either tenement, by the owner of the servitude, or with his assent, which is incompatible with its nature or exercise; or,
4.When the servitude was acquired by enjoyment, by disuse thereof by the owner of the servitude for the period prescribed for acquiring title by enjoyment.