Revert "Fix RSS time filters and add draggable grid layout"

This reverts commit 4ee365cfc0.

package.json

@@ -19,7 +19,6 @@
     "open": "^11.0.0",
     "react": "18.3.1",
     "react-dom": "18.3.1",
-    "react-grid-layout": "^2.2.2",
     "rss-parser": "^3.13.0",
     "sqlite": "^5.1.1",
     "sqlite3": "^5.1.7"
@@ -29,7 +28,6 @@
     "@types/node": "^20",
     "@types/react": "^18",
     "@types/react-dom": "^18",
-    "@types/react-grid-layout": "^1.3.6",
     "eslint": "^8",
     "eslint-config-next": "14.2.15",
     "tailwindcss": "^4",