(ZOB-00138): Use ZOB-01261 instead of "⿰土&ZOB-1244;".

(ZOB-00138): Use ZOB-01261 instead of "⿰土&ZOB-1244;".
(ZOB-00646): Use U-00030CEE instead of "⿴行⿱方止".
(ZOB-01261): Add `ideographic-structure'.
(ZOB-01970): Use GT-K04534 instead of "⿰爿𱼀".
(ZOB-02001): Add `ideographic-structure'; use U-0002C4E8 instead of
"⿰禾⿱&CDP-8BAE;丂" as the corresponding modern character.
(ZOB-02003): Use U-000301D1 instead of "⿱冊口"; add U-00025909 and
U+9FA2 as corresponding modern characters.
(ZOB-02611): Use U-00030DA4 instead of RUI6-E079.