[CLEANUP] Remove redundant type annotations in Property (#842)

Author: oliverklee

src/Property/Charset.php

@@ -34,7 +34,6 @@ class Charset implements AtRule
     protected $comments;
 
     /**
-     * @param CSSString $oCharset
      * @param int $lineNumber
      */
     public function __construct(CSSString $oCharset, $lineNumber = 0)

src/Property/Import.php

@@ -34,7 +34,6 @@ class Import implements AtRule
     protected $comments;
 
     /**
-     * @param URL $oLocation
      * @param string $sMediaQuery
      * @param int $lineNumber
      */