uploadRate 로직 수정

src/main/java/com/kamco/cd/training/upload/dto/UploadDto.java

@@ -199,9 +199,6 @@ public class UploadDto {
     private String fileName;
 
     public double getUploadRate() {
-      if (this.chunkTotalIndex == 0) {
-        return 0.0;
-      }
       return (double) (this.chunkIndex + 1) / (this.chunkTotalIndex + 1) * 100.0;
     }
   }