remove sqlite primary key auto quote

lib/Doctrine/DBAL/Platforms/SqlitePlatform.php

@@ -293,7 +293,6 @@ class SqlitePlatform extends AbstractPlatform
 
         if (isset($options['primary']) && ! empty($options['primary'])) {
             $keyColumns = array_unique(array_values($options['primary']));
-            $keyColumns = array_map(array($this, 'quoteIdentifier'), $keyColumns);
             $queryFields.= ', PRIMARY KEY('.implode(', ', $keyColumns).')';
         }
 

tests/Doctrine/Tests/DBAL/Platforms/SqlitePlatformTest.php

@@ -16,7 +16,7 @@ class SqlitePlatformTest extends AbstractPlatformTestCase
 
     public function getGenerateTableSql()
     {
-        return 'CREATE TABLE test (id INTEGER NOT NULL, test VARCHAR(255) DEFAULT NULL, PRIMARY KEY("id"))';
+        return 'CREATE TABLE test (id INTEGER NOT NULL, test VARCHAR(255) DEFAULT NULL, PRIMARY KEY(id))';
     }
 
     public function getGenerateTableWithMultiColumnUniqueIndexSql()