Update multiple_entity_managers.rst

in this symfony version the "annotation" type for mappings should be treated as deprecated, or at least reported with a comment

Author: ccattaneo

doctrine/multiple_entity_managers.rst

@@ -54,7 +54,6 @@ The following configuration code shows how you can configure two entity managers
                         mappings:
                             Main:
                                 is_bundle: false
-                                type: annotation
                                 dir: '%kernel.project_dir%/src/Entity/Main'
                                 prefix: 'App\Entity\Main'
                                 alias: Main
@@ -63,7 +62,6 @@ The following configuration code shows how you can configure two entity managers
                         mappings:
                             Customer:
                                 is_bundle: false
-                                type: annotation
                                 dir: '%kernel.project_dir%/src/Entity/Customer'
                                 prefix: 'App\Entity\Customer'
                                 alias: Customer
@@ -104,7 +102,6 @@ The following configuration code shows how you can configure two entity managers
                         <doctrine:mapping
                             name="Main"
                             is_bundle="false"
-                            type="annotation"
                             dir="%kernel.project_dir%/src/Entity/Main"
                             prefix="App\Entity\Main"
                             alias="Main"
@@ -115,7 +112,6 @@ The following configuration code shows how you can configure two entity managers
                         <doctrine:mapping
                             name="Customer"
                             is_bundle="false"
-                            type="annotation"
                             dir="%kernel.project_dir%/src/Entity/Customer"
                             prefix="App\Entity\Customer"
                             alias="Customer"
@@ -154,7 +150,6 @@ The following configuration code shows how you can configure two entity managers
             $emDefault->connection('default');
             $emDefault->mapping('Main')
                 ->isBundle(false)
-                ->type('annotation')
                 ->dir('%kernel.project_dir%/src/Entity/Main')
                 ->prefix('App\Entity\Main')
                 ->alias('Main');
@@ -163,7 +158,6 @@ The following configuration code shows how you can configure two entity managers
             $emCustomer->connection('customer');
             $emCustomer->mapping('Customer')
                 ->isBundle(false)
-                ->type('annotation')
                 ->dir('%kernel.project_dir%/src/Entity/Customer')
                 ->prefix('App\Entity\Customer')
                 ->alias('Customer')