(U+53A0): Use `<-vulgar-ideograph' instead of

(U+53A0): Use `<-vulgar-ideograph' instead of
`vulgar-char-of-shinjigen-1'.
(M-02993): Separate S-2200.
(U+53A6): Separate C3-3A28; unify S-2200; add `<-vulgar-ideograph'.
(U+53A8): Use `<-vulgar-ideograph' instead of
`vulgar-char-of-shinjigen-1'.
(S-2208): Use `<-vulgar-ideograph' instead of
`vulgar-char-of-shinjigen-1'; unify GT-03811.
(U+53A9): Delete `kangxi-strokes'.
(U+53AE): Use `<-vulgar-ideograph' instead of
`vulgar-char-of-shinjigen-1'.
(M-03033): Use `<-vulgar-ideograph' instead of
`vulgar-char-of-shinjigen-1'.
(J0-5252): Likewise.
(C3-5755): Use `->same-ideograph' instead of `morohashi-daikanwa';
delete `daikanwa-radical'.
- Merge Big5 code points.
- Add some `ideographic-structure' properties.
- Merge CBETA code points.
- Use `=>ucs' instead of `->ucs'.