[DependencyInjection] Remove useless implements

src/Symfony/Component/DependencyInjection/Compiler/AutowirePass.php

@@ -22,7 +22,7 @@ use Symfony\Component\DependencyInjection\Reference;
  *
  * @author Kévin Dunglas <dunglas@gmail.com>
  */
-class AutowirePass extends AbstractRecursivePass implements CompilerPassInterface
+class AutowirePass extends AbstractRecursivePass
 {
     private $reflectionClasses = array();
     private $definedTypes = array();

src/Symfony/Component/DependencyInjection/Compiler/CheckExceptionOnInvalidReferenceBehaviorPass.php

@@ -20,7 +20,7 @@ use Symfony\Component\DependencyInjection\Reference;
  *
  * @author Johannes M. Schmitt <schmittjoh@gmail.com>
  */
-class CheckExceptionOnInvalidReferenceBehaviorPass extends AbstractRecursivePass implements CompilerPassInterface
+class CheckExceptionOnInvalidReferenceBehaviorPass extends AbstractRecursivePass
 {
     protected function processValue($value, $isRoot = false)
     {

src/Symfony/Component/DependencyInjection/Compiler/CheckReferenceValidityPass.php

@@ -23,7 +23,7 @@ use Symfony\Component\DependencyInjection\Exception\RuntimeException;
  *
  * @author Johannes M. Schmitt <schmittjoh@gmail.com>
  */
-class CheckReferenceValidityPass extends AbstractRecursivePass implements CompilerPassInterface
+class CheckReferenceValidityPass extends AbstractRecursivePass
 {
     protected function processValue($value, $isRoot = false)
     {

src/Symfony/Component/DependencyInjection/Compiler/ReplaceAliasByActualDefinitionPass.php

@@ -21,7 +21,7 @@ use Symfony\Component\DependencyInjection\Reference;
  *
  * @author Johannes M. Schmitt <schmittjoh@gmail.com>
  */
-class ReplaceAliasByActualDefinitionPass extends AbstractRecursivePass implements CompilerPassInterface
+class ReplaceAliasByActualDefinitionPass extends AbstractRecursivePass
 {
     private $replacements;
 

src/Symfony/Component/DependencyInjection/Compiler/ResolveDefinitionTemplatesPass.php

@@ -23,7 +23,7 @@ use Symfony\Component\DependencyInjection\Exception\RuntimeException;
  * @author Johannes M. Schmitt <schmittjoh@gmail.com>
  * @author Nicolas Grekas <p@tchwork.com>
  */
-class ResolveDefinitionTemplatesPass extends AbstractRecursivePass implements CompilerPassInterface
+class ResolveDefinitionTemplatesPass extends AbstractRecursivePass
 {
     protected function processValue($value, $isRoot = false)
     {

src/Symfony/Component/DependencyInjection/Compiler/ResolveParameterPlaceHoldersPass.php

@@ -20,7 +20,7 @@ use Symfony\Component\DependencyInjection\Exception\ParameterNotFoundException;
  *
  * @author Johannes M. Schmitt <schmittjoh@gmail.com>
  */
-class ResolveParameterPlaceHoldersPass extends AbstractRecursivePass implements CompilerPassInterface
+class ResolveParameterPlaceHoldersPass extends AbstractRecursivePass
 {
     private $bag;