feat(marketingEdit): 移除调整工具菜单并优化新增素材标题显示

- 删除了“调整工具”相关的菜单项，包括选择和上一步功能
- 简化了页面结构，突出“新增素材”区域
- 调整了标题样式以提升视觉清晰度

frontend/src/views/components/marketingEdit/tpl/add.js

@@ -6,23 +6,6 @@ let add = () => {
 
   return `
       <div class="add-action-wrap">
-              <div class="text te-l fw-b add-action_title step-label mar-left-10 fs-16 line-40"><div class="step-row_color small">调整工具</div></div>
-              <el-menu
-                default-active="0"
-                class="el-menu-vertical-demo"
-              >
-              
-                <el-menu-item index="0"  @click.native="toSelect" >
-                      
-                                <div class="icon flex"><img src="${xz}" class="icon"></div>
-                                <div>选择</div>
-                </el-menu-item>
-                <el-menu-item index="1"  @click.native="toReset">
-                                    <div class="icon flex"><img src="${shanyibu}" class="icon" style="width:22px; margin-left:5px;"></div>
-                                    <div>上一步</div>
-                </el-menu-item>
-              </el-menu>
-      
       
               <div class="text te-l fw-b add-action_title step-label mar-left-10 fs-16 line-40"><div class="step-row_color small">新增素材</div></div>