Revert FE0F additions from existing emoji emojiChar values

218 existing entries had FE0F appended to their emojiChar field (e.g.
© → ©️, ® → ®️, ☺ → ☺️, ✂ → ✂️, etc.) without a corresponding
change to the emoji field used at runtime. One entry (satellite) also
had FE0F added to its emoji field (🛰 → 🛰️).

Both changes are incorrect for pre-existing entries: the emoji field
(getUnicode() return value) must match emojiChar or the EMOJIS.md docs
become misleading. Newly-added emojis that include FE0F are unaffected.

Regenerate EMOJIS.md from the corrected emojis.json.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

Author: shane-tw