Use `->subsumptive' for some character definitions.

Use `->subsumptive' for some character definitions.
(GT-K01231): Use `=>daikanwa' instead of `morohashi-daikanwa'; use
`<-denotational' and `<-ideographic-component-forms' for U+7F36.
(U+7F37): Use `ideographic-{radical|strokes}@{ucs|cns}' and
`ideographic-radical@ucs*sources' to integrate C4-2557.
(U+4343): Define as an abstract character.
(JX2-7461): Use `<-denotational' for U+4343.
(GT-36228): Likewise; add `<-ideographic-component-forms' for U+4343;
fix `total-strokes'.