public void removeSection(final String tag) {
        final Section section = this.sections.remove(tag);
        this.sectionViewTypeNumbers.remove(tag);
        this.sectionAdapters.remove(section);
    }
Remove section from this adapter.

@param tag unique identifier of the section
library/src/main/java/io/github/luizgrp/sectionedrecyclerviewadapter/SectionedRecyclerViewAdapter.java