Update tooling.md

[Yordan-Ramchev]

Description of Problem

There is a broken link (component.studios) in https://vuejs.org/guide/scaling-up/tooling.html#other-online-playgrounds. I've proposed a solution in their repository, but the last activity is from 3 years ago.

Proposed Solution

Remove broken playground link (component.studios) https://app.components.studio/edit/OPQn5g8a0xaVXA8oas5d/src/index.vue?p=stories

Additional Information

re: https://github.com/divriots/components.studio/issues/6

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