revert r33092 as it is not maintanable to have multiple css to maintain. A...

revert r33092 as it is not maintanable to have multiple css to maintain. A better solution have to be found. I open a new bug to explain the problem : #1635

Thanks to romain to point this problem out.

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@33099 20353a03-c40f-0410-a6d1-a30d3c3de9de

bt5/erp5_web_multiflex5_theme/bt/revision

-170
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+171
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