style(wallets): 투자계좌 목록 금액 앞 '투자금' 라벨 제거

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

src/views/account/AccountWalletView.vue

@@ -317,7 +317,7 @@ onBeforeUnmount(destroySortables)
                 </span>
               </div>
               <div class="balance-wrap">
-                <div v-if="w.type === 'INVEST'" class="balance">투자금 {{ won(w.investedAmount) }}</div>
+                <div v-if="w.type === 'INVEST'" class="balance">{{ won(w.investedAmount) }}</div>
                 <div v-else class="balance" :class="{ neg: w.balance < 0 }">{{ won(w.balance) }}</div>
               </div>
               <div class="actions" @click.stop>