env: remove deprecated rule

lja1018 · lja1018 · commit d54e89bdccd0 · 2021-10-28T10:05:11.000+09:00
diff --git a/.prettierrc b/.prettierrc
@@ -10,7 +10,6 @@
   "arrowParens": "always",
   "endOfLine": "lf",
   "bracketSpacing": true,
-  "jsxBracketSameLine": false,
   "requirePragma": false,
   "insertPragma": false,
   "proseWrap": "preserve",
