chore(codemods): remove codemods from instantsearch.js package

[Haroenv]

They are already in place in the instantsearch-codemods package

BREAKING CHANGE: use codemods from instantsearch-codemods instead of instantsearch.js

[codesandbox-ci[bot]]

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Latest deployment of this branch, based on commit 874b0bdaeb82d4ccd88d025a3041e0416919a78f:

Sandbox	Source
example-instantsearch-getting-started	Configuration
example-react-instantsearch-getting-started	Configuration
example-react-instantsearch-next-app-dir-example	Configuration
example-react-instantsearch-next-routing-example	Configuration
example-vue-instantsearch-getting-started	Configuration