feat: Remove field_user_category (gerenciado em outro módulo)

Remove os arquivos de config field.storage, field.field e translation
referentes ao field_user_category, e elimina todas as referências
ao campo em site_users.module, site_users.install e UserInfoBlock.php.

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

config/optional/field.field.user.user.field_user_category.yml

@@ -1,19 +0,0 @@
-langcode: en
-status: true
-dependencies:
-  config:
-    - field.storage.user.field_user_category
-  module:
-    - user
-id: user.user.field_user_category
-field_name: field_user_category
-entity_type: user
-bundle: user
-label: Category
-description: 'User category.'
-required: false
-translatable: false
-default_value: {  }
-default_value_callback: ''
-settings: {  }
-field_type: string

config/optional/field.storage.user.field_user_category.yml

@@ -1,20 +0,0 @@
-langcode: pt-br
-status: true
-dependencies:
-  module:
-    - user
-id: user.field_user_category
-field_name: field_user_category
-entity_type: user
-type: string
-settings:
-  max_length: 255
-  is_ascii: false
-  case_sensitive: false
-module: core
-locked: false
-cardinality: 1
-translatable: true
-indexes: {  }
-persist_with_no_fields: false
-custom_storage: false