Remove unused dependencies: @backstage/theme, @material-ui/lab, react-use

Detected with knip - these packages were not imported anywhere in the codebase.

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <[email protected]>

Author: talissoncosta

package.json

@@ -37,11 +37,8 @@
     "@backstage/core-components": "^0.18.2",
     "@backstage/core-plugin-api": "^1.11.1",
     "@backstage/plugin-catalog-react": "^1.13.3",
-    "@backstage/theme": "^0.7.0",
     "@material-ui/core": "^4.9.13",
     "@material-ui/icons": "^4.9.1",
-    "@material-ui/lab": "^4.0.0-alpha.61",
-    "react-use": "^17.2.4",
     "recharts": "^2.5.0"
   },
   "peerDependencies": {

yarn.lock

@@ -978,7 +978,7 @@
     i18next "^22.4.15"
     zen-observable "^0.10.0"
 
-"@backstage/theme@^0.7.0", "@backstage/theme@^0.7.1":
+"@backstage/theme@^0.7.1":
   version "0.7.1"
   resolved "https://registry.yarnpkg.com/@backstage/theme/-/theme-0.7.1.tgz#e187a6aeba11a72a26e480639c6a4365e899dfa3"
   integrity sha512-JC2EUqfV198SzNT0B/E7MrnQuR5ML3qCz1FMDNd1qGoXNRBtBsSlPPJMcmuRsz7tM2BN+Vnbr7KkRPNbEnCYkQ==