Use U+84CB instead of CU+84CB.

Use U+84CB instead of CU+84CB.
(U-00020581): Completed.
(U-00020582): Modify structure; preserve the previous IDS as an
apparent structure.
(U-0002102E): Completed.
(U-00021034): Use "摀" instead of "⿰扌烏".
(U-0002103A): Use "䝱" instead of "⿱劦貝".
(U-0002104B): Use U+396F instead of CU+396F.
(U-00021576): Modify structure.
(U-00021577): Use "⿱x𡕥" instead of "⿳x目夊".
(U-00021578): Modify structure; add an apparent field based on the
previous IDS.
(U-00021E30): Use U+623F instead of UU+623F.
(U-00021F6A): Modify structure; preserve the previous IDS as an
apparent structure.
(U-00021F77): Use "𠀘" instead of "⿰阜⿱兀兀".
(U-00021F78): Use U+396F instead of CU+396F.
(U-00021F81): Use "𣻢" instead of "⿰氵通".
(U-00021F83): Modify structure.