Finds and declares that the condemnation of an unblighted private property located within an area designated by the local governing body as a blighted area shall not be declared a public use for purposes of blight removal, and that private property shall not be condemned and transferred to another private use unless the present condition and use of that private property displays unremedied blight conditions that endanger public health and safety, endanger life or property by fire or other causes, or otherwise contribute substantially to ill health, transmission of disease, infant mortality, juvenile delinquency, or crime.