clean(task): remove unused tasks

lib/tasks/support.rake

@@ -42,47 +42,4 @@ namespace :support do
       end
     end
   end
-
-  desc <<~EOD
-    Change the SIRET for a given dossier (specified by DOSSIER_ID)
-  EOD
-  task update_dossier_siret: :environment do
-    siret_number = ENV['SIRET']
-    dossier_id = ENV['DOSSIER_ID']
-
-    if siret_number.nil?
-      fail "Must specify a SIRET"
-    end
-
-    siret_number = siret_number.dup # Unfreeze the string
-    siret = Siret.new(siret: siret_number)
-    if siret.invalid?
-      fail siret.errors.full_messages.to_sentence
-    end
-
-    dossier = Dossier.find(dossier_id)
-
-    EtablissementUpdateJob.perform_now(dossier, siret_number)
-  end
-
-  desc <<~EOD
-    Change a user’s mail from OLD_EMAIL to NEW_EMAIL.
-    Also works for administrateurs and instructeurs.
-  EOD
-  task change_user_email: :environment do
-    old_email = ENV['OLD_EMAIL']
-    new_email = ENV['NEW_EMAIL']
-
-    if User.find_by(email: new_email).present?
-      fail "There is an existing account for #{new_email}, not overwriting"
-    end
-
-    user = User.find_by(email: old_email)
-
-    if user.nil?
-      fail "Couldn’t find existing account for #{old_email}"
-    end
-
-    user.update(email: new_email)
-  end
 end