refactor : remove old YAML-based application config system

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

config/applications.yaml

@@ -1,5 +0,0 @@
-parameters:
-    app.managed_applications:
-        - { name: 'SIRH', slug: 'sirh', maintenance_path: '%env(SIRH_MAINTENANCE_PATH)%' }
-        - { name: 'Lesstime', slug: 'lesstime', maintenance_path: '%env(LESSTIME_MAINTENANCE_PATH)%' }
-        - { name: 'Inventory', slug: 'inventory', maintenance_path: '%env(INVENTORY_MAINTENANCE_PATH)%' }

config/services.yaml

@@ -4,7 +4,6 @@ parameters:
 
 imports:
     - { resource: version.yaml }
-    - { resource: applications.yaml }
 
 services:
     # default configuration for services in *this* file