[Bug12617] Remove gros-wattmetre1 & gros-wattmetre3

Related to bug12617.

Remove gros-wattmetre1 & gros-wattmetre3 from infra.

Removing theses two wattmetre broke the rake valid:homogeneity task, because nodes on gros-pdu2 have a wattmetre, and nodes on gros-pdu(1|3) doesn't have a wattmetre. So I added an exception in lib/refrepo/valid/data/homogeneity.rb so that it doesn't raise an error.

changed the description

assigned to @pijacquo

approved this merge request

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added 14 commits

• 28d87c4e...85506d9a - 12 commits from branch master
• c1fa7f33 - [bug12617] Remove gros-wattmetre1 & gros-wattmetre3
• 098b485c - [bug12617] Add wattmetre exception (gros-wattmetre2 pdu).

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merged

mentioned in commit 4d48b4d9