fix bug

src/main/scala/com/winhc/bigdata/spark/utils/BaseUtil.scala

@@ -5,7 +5,6 @@ import java.util.{Calendar, Date, Locale}
 import org.apache.commons.lang3.StringUtils
 import org.apache.commons.lang3.time.DateFormatUtils
 import org.apache.spark.sql.SparkSession
-import java.util.regex.Pattern
 
 /**
  * @Author: XuJiakai
@@ -66,11 +65,4 @@ object BaseUtil {
     c.add(Calendar.DATE, 1 * n)
     DateFormatUtils.format(c.getTime.getTime, pattern)
   }
-
-  def cleanup(col :String): String ={
-    if(StringUtils.isNotBlank(col)){
-      pattern.matcher(col).replaceAll("")
-    }else{""}
-  }
-
 }