Question juridique clé
Whether the Tribunal fédéral should take note of the applicants' renunciation to appeal and strike the case off the docket.
Solution extraite
The Court took note of the renunciation and removed the case from the register.
Motifs extraits
Once the applicants informed the Court that they would not file the announced appeal, there was no basis to continue the proceedings; the case had to be struck out under Art. 32(2) LTF.