Remove some unused deps

packages/data-table-view/package.json

@@ -19,7 +19,6 @@
     "rollup-plugin-delete": "^1.1.0",
     "rollup-plugin-json": "^4.0.0",
     "rollup-plugin-node-resolve": "^5.2.0",
-    "rollup-plugin-postcss": "^2.0.3",
     "rollup-plugin-serve": "^1.0.1",
     "rollup-plugin-terser": "^5.1.1",
     "rollup-plugin-url": "^2.2.2",
@@ -27,9 +26,6 @@
     "vpu-common": "file:./vendor/common"
   },
   "dependencies": {
-    "@webcomponents/webcomponentsjs": "^2.2.10",
-    "keycloak-js": "^8.0.0",
-    "event-target-shim": "^5.0.1",
     "datatables.net-dt": "^1.10.20",
     "datatables.net-responsive": "^2.2.3",
     "datatables.net-responsive-dt": "^2.2.3",