Refactor layout components and remove unnecessary code

src/views/pages/ScenarioList.vue

@@ -27,8 +27,6 @@
 
         <template #list="slotProps">
             <div class="flex flex-col space-y-4 mt-2">
-                
-               
                 <div v-for="(item, index) in slotProps.items" :key="index">
                     <div class="flex flex-col sm:flex-row sm:items-center p-6 gap-4 bg-white dark:bg-gray-800 rounded-lg shadow-md"
                         :class="{ 'border-t border-gray-200 dark:border-gray-700': index !== 0 }">
@@ -73,14 +71,11 @@
 import DataView from 'primevue/dataview';
 import { onMounted, ref } from 'vue';
 import { useRouter } from 'vue-router';
-import { LoadingStore } from '../../stores/LoadingStore.js';
 import { ScenarioStore } from '../../stores/ScenarioStore.js';
 
     const router = useRouter()
     const layout = ref('grid');
     const options = ref(['list', 'grid']);
-    const loading = ref(true)
-    const loadingStore = LoadingStore()
 
     const scenario_store = ScenarioStore();