refactor(History, Settings): 去掉搜索前面的冒号；去掉不应该存在的设置项

frontend/src/views/History.vue

@@ -67,7 +67,7 @@
           </a-form-item>
         </a-col>
         <a-col :span="6">
-          <a-form-item label=" " style="margin-bottom: 0">
+          <a-form-item label=" " style="margin-bottom: 0" :colon="false">
             <a-space>
               <a-button type="primary" @click="handleSearch" :loading="searchLoading">
                 <template #icon>

frontend/src/views/Settings.vue

@@ -361,13 +361,6 @@ onMounted(() => {
                   />
                   <span class="switch-label">发送六星通知</span>
                 </div>
-                <div class="switch-item">
-                  <Switch
-                    v-model:checked="settings.Notify.IfPushPlyer"
-                    @change="checked => handleSettingChange('Notify', 'IfPushPlyer', checked)"
-                  />
-                  <span class="switch-label">启用PushPlus推送</span>
-                </div>
               </Space>
             </div>