Discontinuance. A nonconforming structure that has been demolished or moved shall not be rebuilt or relocated in any way other than in full conformance with the provisions of this chapter. Structures that have been damaged to the extent of more than 50% of the replacement-in-kind cost shall only be repaired or rebuilt in conformity with the provisions of this chapter. A nonconforming structure that is nonconforming because of the height, setback, yard, lot area, lot dimension, land coverage, off-street parking, loading or similar dimensional requirements of this chapter, that houses a nonconforming use which has been discontinued in accordance with this article, shall be brought into full conformance with the provisions of this chapter.