Cleanup more @return annotations

Author: nicolas-grekas

Exception/IOExceptionInterface.php

@@ -21,7 +21,7 @@ interface IOExceptionInterface extends ExceptionInterface
     /**
      * Returns the associated path for the exception.
      *
-     * @return string|null The path
+     * @return string|null
      */
     public function getPath();
 }

Filesystem.php

@@ -104,7 +104,7 @@ public function mkdir($dirs, int $mode = 0777)
      *
      * @param string|iterable $files A filename, an array of files, or a \Traversable instance to check
      *
-     * @return bool true if the file exists, false otherwise
+     * @return bool
      */
     public function exists($files)
     {
@@ -440,7 +440,7 @@ public function readlink(string $path, bool $canonicalize = false)
     /**
      * Given an existing path, convert it to a path relative to a given starting path.
      *
-     * @return string Path of target relative to starting path
+     * @return string
      */
     public function makePathRelative(string $endPath, string $startPath)
     {

Tests/Fixtures/MockStream/MockStream.php

@@ -35,7 +35,7 @@ public function stream_open(string $path, string $mode, int $options, string &$o
      * @param string $path  The file path or URL to stat
      * @param int    $flags Holds additional flags set by the streams API
      *
-     * @return array File stats
+     * @return array
      */
     public function url_stat(string $path, int $flags): array
     {