(M-11349): Defined in `->subsumptive' feature value of U-26857; use

`ideographic-{radical|strokes}@{ucs|cns}' and
`ideographic-radical@cns*sources'; unify H6-B3CA.
(C7-377E): Defined in `->subsumptive' feature value of U-26857; use
`ideographic-{radical|strokes}@{ucs|cns}' and
`ideographic-radical@cns*sources'.
(M-11472): Unify U-00020453 instead of using `->identical'; use
`ideographic-{radical|strokes}@{ucs|daikanwa}'.