fix: 姓名去識別化

app/citizen-frontend/src/pages/index.vue

@@ -9,7 +9,7 @@
           <v-row class="mt-4 pa-2" no-gutters>
             <v-col :cols="courseStore.groupMissing ? 8 : 12">
               <v-card-title>
-                {{ displayUserName }}
+                {{ store.userProfile.phone }}
               </v-card-title>
               <v-card-subtitle>
                 資料更新於 {{ todayTimeString }}
@@ -383,7 +383,6 @@ import Layout from "@/components/layout/DefaultLayout.vue";
 import ModuleRouterCard from "@/components/ModuleRouterCard.vue";
 import PlatformIntroduction from "@/components/PlatformIntroduction.vue";
 import PhysicalFitnessSummary from "@/components/PhysicalFitnessSummary.vue";
-import { useDisplayUserName } from "@/composables/useDisplayUserName";
 import {
   APPOINTMENT_ENABLED,
   BODY_COMPOSITION_ENABLED,
@@ -409,7 +408,6 @@ const physicalFitnessReceivedAt = ref<string | null>(null);
 const physicalFitnessLoading = ref(false);
 const physicalFitnessError = ref("");
 
-const displayUserName = useDisplayUserName(store.userProfile);
 const physicalFitnessRadarData = computed(() =>
   calculatePhysicalFitnessRadar(physicalFitnessItems.value),
 );