Switch the "Delete account" button color to orange or red

Switch the delete account button color to orange here:

assigned to @Senza

added To validate label

assigned to @balessan and unassigned @Senza

mentioned in commit 8463bdff

mentioned in commit 6849c990

mentioned in commit ea017d37

mentioned in merge request !236 (merged)

mentioned in commit f3165693

mentioned in merge request !237 (merged)

Still to be deployed

I messed up in the git adds/commit, the content is within the following MR !236 (merged) :/

closed