app: remove leftovers of procedure path autocomplete

We used to pre-validate the procedure, to display in advance if the path
could be used.

Now that the path autocomplete is long gone, we can remove this kludgy
code.

app/models/procedure.rb

@@ -235,7 +235,6 @@ class Procedure < ApplicationRecord
   validates :description, presence: true, allow_blank: false, allow_nil: false
   validates :administrateurs, presence: true
   validates :lien_site_web, presence: true, if: :publiee?
-  validate :validate_for_publication, on: :publication
   validate :check_juridique
   validates :path, presence: true, format: { with: /\A[a-z0-9_\-]{3,200}\z/ }, uniqueness: { scope: [:path, :closed_at, :hidden_at, :unpublished_at], case_sensitive: false }
   validates :duree_conservation_dossiers_dans_ds, allow_nil: false, numericality: { only_integer: true, greater_than_or_equal_to: 1, less_than_or_equal_to: MAX_DUREE_CONSERVATION }
@@ -325,18 +324,6 @@ class Procedure < ApplicationRecord
     end
   end
 
-  def validate_for_publication
-    old_attributes = self.slice(:aasm_state, :closed_at)
-    self.aasm_state = :publiee
-    self.closed_at = nil
-
-    is_valid = validate
-
-    self.attributes = old_attributes
-
-    is_valid
-  end
-
   def suggested_path(administrateur)
     if path_customized?
       return path

app/views/new_administrateur/procedures/_publication_form.html.haml

@@ -30,14 +30,5 @@
                           autocomplete: 'off',
                           placeholder: 'https://exemple.gouv.fr/ma_demarche')
 
-    - procedure.validate(:publication)
-    - errors = procedure.errors
-    -# Ignore the :taken error if the path can be claimed
-    - if errors.details[:path]&.pluck(:error)&.include?(:taken) && procedure.path_available?(administrateur, procedure.path)
-      - errors.delete(:path)
-
-    - options = { class: "button primary", id: 'publish' }
-    - if errors.details[:path].present?
-      - options[:disabled] = :disabled
     .flex.justify-end
-      = submit_tag procedure_publish_label(procedure, :submit), options
+      = submit_tag procedure_publish_label(procedure, :submit), { class: "button primary", id: 'publish' }