Update content/pipes.md

Carbon Digital · micalevisk · web-flow · commit 9694fe4d2e9b · 2022-11-02T00:25:41.000-04:00
Co-authored-by: Micael Levi L. Cavalcante &lt;mllc@icomp.ufam.edu.br&gt;
diff --git a/content/pipes.md b/content/pipes.md
@@ -331,7 +331,6 @@ async create(createCatDto) {
 
 > info **Hint** The `@UsePipes()` decorator is imported from the `@nestjs/common` package.
 
-> info **Note** When a DTO already uses `class-validator` to validate each data element, the techniques above using both Joi schema and a DTO are not necessary. You only need one level of validation. However, if your DTO does not have `class-validator` in use, then the Joi schema method could be used like the above example, without worrying about breaking "DRY" principles.
  
 #### Class validator
 

Original file line number	Diff line number	Diff line change
`@@ -331,7 +331,6 @@ async create(createCatDto) {`
`331`	`331`
`332`	`332`	> info Hint The `@UsePipes()` decorator is imported from the `@nestjs/common` package.
`333`	`333`
`334`		-> info Note When a DTO already uses `class-validator` to validate each data element, the techniques above using both Joi schema and a DTO are not necessary. You only need one level of validation. However, if your DTO does not have `class-validator` in use, then the Joi schema method could be used like the above example, without worrying about breaking "DRY" principles.
`335`	`334`
`336`	`335`	`#### Class validator`
`337`	`336`