ERP5: remove Converter and Tool.ConversionTool

This skeleton became cloudooo several years ago and we don't need this
here anymore.

/reviewed-on !966
15 jobs for master in 0 seconds
Status Job ID Name Coverage
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failed SlapOS.Eggs.UnitTest-Master.Python2

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passed ERP5.UnitTest-Master

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passed ERP5.UnitTest-Master

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passed SlapOS.Eggs.UnitTest-Master.Python2

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passed SlapOS.Eggs.UnitTest-Master.Python2

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passed SlapOS.Eggs.UnitTest-Master.Python2

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passed SlapOS.Eggs.UnitTest-Master.Python2

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passed SlapOS.Eggs.UnitTest-Master.Python3

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passed SlapOS.Eggs.UnitTest-Master.Python3

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passed SlapOS.Eggs.UnitTest-Master.Python3

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passed SlapOS.Eggs.UnitTest-Master.Python3

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