(J0-3B26): Use `<-denotational' for U+6BBA; use `->subsumptive' to

(J0-3B26): Use `<-denotational' for U+6BBA; use `->subsumptive' to
integrate B-B1FE.
(G1-4931): Separate U+6BBA; use `<-denotational' for U+6BBA; use
`=>daikanwa' instead of `morohashi-daikanwa'.
(U-0002F8F5): use `<-denotational' for U+6BBA; use `=>daikanwa'
instead of `morohashi-daikanwa'.
(U+6BBA): Define as an abstract character.
(K0-5F2F): Use `<-denotational' for U+6BBA; use `->subsumptive' to
integrate U+F970 and C1-5B44.