refactor(workflow): 移除工作流相关代码和文件

移除工作流模块的前端代码，包括API接口、路由配置、组件和页面视图
删除与工作流相关的表单、分类、任务、模型等API调用和页面逻辑
清理不再使用的组件和依赖项

klp-ui/src/views/tool/build/index.vue

@@ -155,7 +155,7 @@ import DraggableItem from './DraggableItem'
 import { getDrawingList, saveDrawingList, getIdGlobal, saveIdGlobal, getFormConf } from '@/utils/db'
 import loadBeautifier from '@/utils/loadBeautifier'
 import Tinymce from '@/components/tinymce/index.vue'
-import { getForm, addForm, updateForm } from '@/api/workflow/form'
+// import { getForm, addForm, updateForm } from '@/api/workflow/form'
 import axios from 'axios'
 import Vue from 'vue';