Remove uncesssary tokens

[lubegasimon]

Changes made:

• removed CDO & CDC tokens since we ignore comments during lexing via the discard_comments function defined in packages/parser/lib/css_lexer.re.
• removed the BAD_STRING token because the css_parser ensures all strings are correct.
• renamed some tokens.

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1 Ignored Deployment

| Name | Status | Preview | Comments | Updated (UTC) | | :--- | :----- | :------ | :------- | :------ | | **styled-ppx** | ⬜️ Ignored ([Inspect](https://vercel.com/davesnx/styled-ppx/26R9XudjVXLceqfvsmjMv2faynAn)) | [Visit Preview](https://styled-ppx-git-fork-lubegasimon-remove-uncesssar-f1720b-davesnx.vercel.app) | | Nov 14, 2023 4:48pm |

[lubegasimon]

Changes carried in by https://github.com/davesnx/styled-ppx/pull/368