Revert "Support (and require) Symfony/Finder 2.1."

This reverts commit 3b5dde6.

Author: sebastianbergmann

PHP/CodeCoverage/Filter.php

@@ -103,7 +103,6 @@ public function __construct()
           'Symfony/Component/Finder/Iterator/FilenameFilterIterator.php',
           'Symfony/Component/Finder/Iterator/RecursiveDirectoryIterator.php',
           'Symfony/Component/Finder/Iterator/ExcludeDirectoryFilterIterator.php',
-          'Symfony/Component/Finder/Iterator/MultiplePcreFilterIterator.php',
           'Symfony/Component/Finder/SplFileInfo.php',
           'SymfonyComponents/YAML/sfYaml.php',
           'SymfonyComponents/YAML/sfYamlDumper.php'

package.xml

@@ -145,7 +145,7 @@
    <package>
     <name>Finder</name>
     <channel>pear.symfony.com</channel>
-    <min>2.1.0BETA4</min>
+    <min>2.0.9</min>
    </package>
    <package>
     <name>PHP_TokenStream</name>