feat(article): removing duplicate references

content/blog/como-produtizar-uma-api/index.mdx

@@ -349,19 +349,3 @@ para sugerir outras ferramentas que você conhece ou utlizada.
 | Koa | Implementação de APIs | https://koajs.com/ |
 | NestJS | Implementação de APIs | https://nestjs.com/ |
 | LoopBack 4 | Implementação de APIs | https://loopback.io/ |
-
-[^1]:
-    API.
-    https://en.wikipedia.org/wiki/API
-[^2]:
-    2023 State of the API Report
-    https://www.postman.com/state-of-api
-[^3]:
-    Building an API Product: Design, implement, release, and maintain API products that meet user needs
-    https://books.google.com.br/books/about/Building_an_API_Product.html
-[^4]:
-    RFC 8594: The Sunset HTTP Header Field 
-    https://www.rfc-editor.org/rfc/rfc8594.html
-[^5]:
-    Intro to APIs: History of APIs
-    https://blog.postman.com/intro-to-apis-history-of-apis/