Remove dead v-show=false error block from MyAccount

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

src/views/AccountManagement/MyAccount.vue

@@ -34,18 +34,6 @@
         </div>
         <div class="account flex flex-col">
           <span class="flex text-[#0F172A] text-[16px]">{{ username }}</span>
-          <div v-show="false" class="error-wrapper my-2">
-            <div class="error-msg-section flex justify-start">
-              <img
-                src="@/assets/icon-alert.svg"
-                alt="!"
-                class="exclamation-img flex mr-2"
-              />
-              <span class="error-msg-text flex text-[#FF3366] h-[24px]">
-                {{ i18next.t("AcctMgmt.AccountNotUnique") }}
-              </span>
-            </div>
-          </div>
         </div>
       </div>
       <div class="row w-full flex py-2 h-[40px] mb-4 items-center text-[14px]">