[Lock] 15952 Remove mention off DBAL Connection support for locking

Author: JohJohan

components/lock.rst

@@ -457,13 +457,12 @@ MongoDB Connection String:
 PdoStore
 ~~~~~~~~
 
-The PdoStore saves locks in an SQL database. It requires a `PDO`_ connection, a
-`Doctrine DBAL Connection`_, or a `Data Source Name (DSN)`_. This store does not
+The PdoStore saves locks in an SQL database. It requires a `PDO`_ connection or a `Data Source Name (DSN)`_. This store does not
 support blocking, and expects a TTL to avoid stalled locks::
 
     use Symfony\Component\Lock\Store\PdoStore;
 
-    // a PDO, a Doctrine DBAL connection or DSN for lazy connecting through PDO
+    // a PDO or a DSN for lazy connecting through PDO
     $databaseConnectionOrDSN = 'mysql:host=127.0.0.1;dbname=app';
     $store = new PdoStore($databaseConnectionOrDSN, ['db_username' => 'myuser', 'db_password' => 'mypassword']);
 
@@ -483,13 +482,12 @@ PostgreSqlStore
 ~~~~~~~~~~~~~~~
 
 The PostgreSqlStore uses `Advisory Locks`_ provided by PostgreSQL. It requires a
-`PDO`_ connection, a `Doctrine DBAL Connection`_, or a
-`Data Source Name (DSN)`_. It supports native blocking, as well as sharing
+`PDO`_ connection or a `Data Source Name (DSN)`_. It supports native blocking, as well as sharing
 locks::
 
     use Symfony\Component\Lock\Store\PostgreSqlStore;
 
-    // a PDO, a Doctrine DBAL connection or DSN for lazy connecting through PDO
+    // a PDO or a DSN for lazy connecting through PDO
     $databaseConnectionOrDSN = 'postgresql://myuser:mypassword@localhost:5634/lock';
     $store = new PostgreSqlStore($databaseConnectionOrDSN);
 
@@ -921,7 +919,6 @@ are still running.
 .. _`ACID`: https://en.wikipedia.org/wiki/ACID
 .. _`Advisory Locks`: https://www.postgresql.org/docs/current/explicit-locking.html
 .. _`Data Source Name (DSN)`: https://en.wikipedia.org/wiki/Data_source_name
-.. _`Doctrine DBAL Connection`: https://github.com/doctrine/dbal/blob/master/src/Connection.php
 .. _`Expire Data from Collections by Setting TTL`: https://docs.mongodb.com/manual/tutorial/expire-data/
 .. _`locks`: https://en.wikipedia.org/wiki/Lock_(computer_science)
 .. _`MongoDB Connection String`: https://docs.mongodb.com/manual/reference/connection-string/