chore: remove @floating-ui deps

Author: zeroedin

core/pfe-core/package.json

@@ -65,7 +65,6 @@
     "test": "wtr --files './test/*.spec.ts' --config ../../web-test-runner.config.js"
   },
   "dependencies": {
-    "@floating-ui/dom": "^1.6.10",
     "@lit/context": "^1.1.5",
     "lit": "^3.3.0"
   },