fix: remove unused X import from lucide-react

Resolves ESLint error: 'X' is defined but never used
GRO-1347

Co-Authored-By: Paperclip <noreply@paperclip.ing>

src/portal/sections/PetProfiles.tsx

@@ -1,5 +1,5 @@
 import { useState, useEffect } from "react";
-import { PawPrint, Heart, Scissors, Clock, Edit3, Loader2, Star, X } from "lucide-react";
+import { PawPrint, Heart, Scissors, Clock, Edit3, Loader2, Star } from "lucide-react";
 import { PetForm } from "./PetForm.js";
 import type { Pet } from "@groombook/types";