Revert "fix(bpm): bpm开启，gateway及bpm改造，bpm前端bug解决"

This reverts commit a0dc7a0a.

src/utils/index.ts

@@ -536,20 +536,3 @@ export const sliceName = (name: string, start: number, end: number) => {
   }
   return name
 }
-
-
-
-/**
- * 截取字符串
- *
- * @param str 字符串
- * @param start 开始位置
- * @param end 结束位置
- */
-
-export const subString = (str: string, start: number, end: number) => {
-  if (str.length > end) {
-    return str.slice(start, end)
-  }
-  return str
-}