It is hereby declared to be the intention of the Board of Aldermen that the sections, divisions, sentences, clauses, and phrases of this code are severable and, if any phrase, clause, sentence, division, or section of this code shall be declared unconstitutional by the valid judgment or decree of any court of competent jurisdiction, such unconstitutionality shall not affect any of the remaining phrases, clauses, sentences, divisions, and sections of this code, since the same would have been enacted by the Board of Aldermen without the incorporation in this code of any such unconstitutional phrase, clause, sentence, division, or section.