fix(usage): remove label text from inline account cost, keep orange color

frontend/src/components/admin/usage/UsageTable.vue

@@ -155,7 +155,7 @@
               </div>
             </div>
             <div v-if="row.account_rate_multiplier != null" class="mt-0.5 text-[11px] text-orange-500 dark:text-orange-400">
-              {{ t('usage.accountCost') }} ${{ accountBilled(row).toFixed(6) }}
+              A ${{ accountBilled(row).toFixed(6) }}
             </div>
           </div>
         </template>