If any section, subsection, sentence, clause or phrase of this Charter, or any amendment thereto, is for any reason held to be unconstitutional or otherwise invalid, that decision shall not affect the validity of the remaining portions of this Charter. The people of the City of Los Angeles hereby declare that they would have ratified and adopted this Charter and each section, subsection, sentence, clause and phrase thereof, and any amendment thereto, irrespective of the fact that any one or more other sections, subsections, sentences, clauses, phrases or amendment be declared unconstitutional or otherwise invalid.