chore: Unused package and entire files

package.json

@@ -20,16 +20,13 @@
     "@dnd-kit/sortable": "^10.0.0",
     "@dnd-kit/utilities": "^3.2.2",
     "@prisma/client": "^6.16.1",
-    "@types/jspdf": "^1.3.3",
     "clsx": "^2.1.1",
     "date-fns": "^4.1.0",
-    "jspdf": "^3.0.3",
     "next": "15.5.3",
     "prisma": "^6.16.1",
     "react": "19.1.0",
     "react-dom": "19.1.0",
     "recharts": "^3.2.1",
-    "sqlite3": "^5.1.7",
     "tailwind-merge": "^3.3.1"
   },
   "devDependencies": {
@@ -39,11 +36,8 @@
     "@types/react": "^19",
     "@types/react-dom": "^19",
     "eslint": "^9",
-    "eslint-config-next": "15.5.3",
-    "eslint-config-prettier": "^10.1.8",
-    "eslint-plugin-prettier": "^5.5.4",
-    "prettier": "^3.6.2",
-    "tailwindcss": "^4",
+    "eslint-config-next": "^15.5.3",
+    "knip": "^5.64.0",
     "tsx": "^4.19.2",
     "typescript": "^5"
   }