chore(deps): 未使用のaxios依存を削除

Made-with: Cursor

Author: atsu666

package-lock.json

@@ -24,7 +24,6 @@
   "license": "MIT",
   "dependencies": {
     "@babel/runtime": "^7.8.4",
-    "axios": "^0.31.0",
     "classnames": "^2.2.5",
     "clone": "^2.1.1",
     "highlight.js": "~9.13.1",