Revert "erp5_officejs: erp5_hal_json_style Skin is used and without it...

Revert "erp5_officejs: erp5_hal_json_style Skin is used and without it erp5_officejs cannot be installed."

This reverts commit 1b706b6c. erp5_officejs
depends erp5_web_renderjs_ui which in turn depends on erp5_hal_json_style.
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