🧶chore: remove redundant semantic-related dependencies and configurations

web/package.json

@@ -37,8 +37,6 @@
     "remark-breaks": "^4.0.0",
     "remark-gfm": "^4.0.1",
     "remark-math": "^6.0.0",
-    "semantic-ui-offline": "^2.5.0",
-    "semantic-ui-react": "^2.1.3",
     "sse.js": "^2.6.0",
     "unist-util-visit": "^5.0.0",
     "use-debounce": "^10.0.4"