REF: remove special casing from Index.equals (always dispatch to subclass) (#35330)
REF: remove special casing from Index.equals (always dispatch to subclass) (#35330)


datapythonista/pandas,jorisvandenbossche/pandas,gfyoung/pandas,datapythonista/pandas,pandas-dev/pandas,pandas-dev/pandas,gfyoung/pandas,gfyoung/pandas,jreback/pandas,jreback/pandas,gfyoung/pandas,dsm054/pandas,rs2/pandas,pandas-dev/pandas,dsm054/pandas,rs2/pandas,jorisvandenbossche/pandas,jreback/pandas,jreback/pandas,dsm054/pandas,datapythonista/pandas,jreback/pandas,jorisvandenbossche/pandas,rs2/pandas,dsm054/pandas,pandas-dev/pandas,jorisvandenbossche/pandas,datapythonista/pandas,rs2/pandas,gfyoung/pandas,dsm054/pandas