Fix several instances of doubled words

One in an exception; the rest in docblocks.

Author: jbafford

src/Symfony/Bridge/Doctrine/DependencyInjection/AbstractDoctrineExtension.php

@@ -242,7 +242,7 @@ protected function assertValidMappingConfiguration(array $mappingConfig, $object
  if (!in_array($mappingConfig['type'], array('xml', 'yml', 'annotation', 'php', 'staticphp'))) {
  throw new \InvalidArgumentException(sprintf('Can only configure "xml", "yml", "annotation", "php" or '.
  '"staticphp" through the DoctrineBundle. Use your own bundle to configure other metadata drivers. '.
- 'You can register them by adding a a new driver to the '.
+ 'You can register them by adding a new driver to the '.
  '"%s" service definition.', $this->getObjectManagerElementName($objectManagerName.'.metadata_driver')
  ));
  }

src/Symfony/Component/Console/Formatter/OutputFormatter.php

@@ -239,7 +239,7 @@ private function createStyleFromString($string)
  *
  * @param string $text Input text
  *
- * @return string string Styled text
+ * @return string Styled text
  */
  private function applyCurrentStyle($text)
  {

src/Symfony/Component/HttpFoundation/Response.php

@@ -690,7 +690,7 @@ public function setExpires(\DateTime $date = null)
 
  /**
  * Returns the number of seconds after the time specified in the response's Date
- * header when the the response should no longer be considered fresh.
+ * header when the response should no longer be considered fresh.
  *
  * First, it checks for a s-maxage directive, then a max-age directive, and then it falls
  * back on an expires header. It returns null when no maximum age can be established.

src/Symfony/Component/HttpKernel/HttpCache/Store.php

@@ -241,7 +241,7 @@ public function invalidate(Request $request)
  * @param array $env1 A Request HTTP header array
  * @param array $env2 A Request HTTP header array
  *
- * @return Boolean true if the the two environments match, false otherwise
+ * @return Boolean true if the two environments match, false otherwise
  */
  private function requestsMatch($vary, $env1, $env2)
  {