Remove @mdi/js as a dependency

matrixgw_frontend/package.json

@@ -13,8 +13,6 @@
     "@emotion/react": "^11.14.0",
     "@emotion/styled": "^11.14.1",
     "@fontsource/roboto": "^5.2.9",
-    "@mdi/js": "^7.4.47",
-    "@mdi/react": "^1.6.1",
     "@mui/icons-material": "^7.3.6",
     "@mui/material": "^7.3.6",
     "@mui/x-data-grid": "^8.20.0",