minor #1156 Clean ups on master (SpacePossum)

This PR was merged into the 2.0.x-dev branch.

Discussion
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Clean ups on master

Remove some stuff that doesn't apply anymore for master and a little typo.

Commits
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85558b76 Clean ups on master

tests/Silex/Tests/Application/UrlGeneratorTraitTest.php

@@ -11,10 +11,6 @@
 
 namespace Silex\Tests\Application;
 
-use Silex\Application;
-use Silex\Provider\RoutingServiceProvider;
-use Silex\Provider\UrlGeneratorServiceProvider;
-
 /**
  * UrlGeneratorTrait test cases.
  *

tests/Silex/Tests/LazyRequestMatcherTest.php

@@ -22,7 +22,7 @@ use Silex\Provider\Routing\LazyRequestMatcher;
 class LazyRequestMatcherTest extends \PHPUnit_Framework_TestCase
 {
     /**
-     * @covers Silex\LazyRequestMatcher::getResquestMatcher
+     * @covers Silex\LazyRequestMatcher::getRequestMatcher
      */
     public function testUserMatcherIsCreatedLazily()
     {

tests/Silex/Tests/Provider/TwigServiceProviderTest.php

@@ -13,7 +13,6 @@ namespace Silex\Tests\Provider;
 
 use Silex\Application;
 use Silex\Provider\TwigServiceProvider;
-use Silex\Provider\HttpFragmentServiceProvider;
 use Symfony\Component\HttpFoundation\Request;
 
 /**