Chore: Remove unused participant edit/update routes

At one point in time it looks like chapter ambassadors could edit
participant data, but now they don't have this functionality, so these
routes aren't necessary because they're not being used.

Refs: #5319

config/routes.rb

@@ -163,7 +163,7 @@
     resources :accounts, only: :show, controller: :participants do
       resource :chapter_account_assignments, only: [:create]
     end
-    resources :participants, only: [:show, :edit, :update], controller: "/ambassador/participants"
+    resources :participants, only: [:show], controller: "/ambassador/participants"
     resources :participants, only: [:index], controller: "/data_grids/ambassador/participants"
     resources :unaffiliated_participants, only: [:index], controller: "/data_grids/ambassador/unaffiliated_participants"
     resources :participant_sessions, only: [:show, :destroy]
@@ -232,7 +232,7 @@
     resource :public_information, only: [:show, :edit, :update], controller: "club_public_information"
 
     resource :club_admin, only: :show, controller: "club_admin"
-    resources :participants, only: [:show, :edit, :update], controller: "/ambassador/participants"
+    resources :participants, only: [:show], controller: "/ambassador/participants"
     resources :participants, only: [:index], controller: "/data_grids/ambassador/participants"
     resources :unaffiliated_participants, only: [:index], controller: "/data_grids/ambassador/unaffiliated_participants"
     resources :saved_searches, only: [:show, :create, :update, :destroy]