title: remove namespaces of multiple tags
body: <p>i've just learned some xslt langauge and i have a problem. I'm trying to remove this namespace without success.</p>
  
  <p>Original xml:</p>
  
  <pre><code>&lt;?xml version="1.0" encoding="UTF-8"?&gt;
  &lt;file_information xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns="http://www.chellodmc.com/files/dmc_media_delivery.xsd" xsi:schemaLocation="http://www.chellodmc.com/file0073/dmc_media_delivery.xsd http://www.chellodmc.com/files/dmc_media_delivery.xsd"&gt;
              &lt;asset_data soa:23946923649236489&gt;
              &lt;upn&gt;TEST_Sintec_HD&lt;/upn&gt;
              &lt;title&gt;NLD_NGC_C_Man United - Chelsea - Sunday @17.00&lt;/title&gt;
              &lt;version&gt;High Definition&lt;/version&gt;
              &lt;duration&gt;00:30&lt;/duration&gt;
              &lt;tc_in&gt;23:00:00:00&lt;/tc_in&gt;
              &lt;tc_out&gt;23:00:30:00&lt;/tc_out&gt;
              &lt;aspect_ratio&gt;16X9&lt;/aspect_ratio&gt;
              &lt;segment&gt;
                  &lt;sequence&gt;1&lt;/sequence&gt;
                  &lt;tc_in&gt;23:00:00:00&lt;/tc_in&gt;
                  &lt;tc_out&gt;23:00:30:00&lt;/tc_out&gt; 
                  &lt;comment&gt;&lt;/comment&gt;  
              &lt;/segment&gt;
              &lt;/asset_data&gt;
          &lt;/file_information&gt;
  </code></pre>
  
  <p>Expected output xml:</p>
  
  <pre><code>&lt;?xml version="1.0" encoding="UTF-8"?&gt;
          &lt;file_information&gt;
              &lt;asset_data&gt;
              &lt;upn&gt;TEST_Sintec_HD&lt;/upn&gt;
              &lt;title&gt;NLD_NGC_C_Man United - Chelsea - Sunday @17.00&lt;/title&gt;
              &lt;version&gt;High Definition&lt;/version&gt;
              &lt;duration&gt;00:30&lt;/duration&gt;
              &lt;tc_in&gt;23:00:00:00&lt;/tc_in&gt;
              &lt;tc_out&gt;23:00:30:00&lt;/tc_out&gt;
              &lt;aspect_ratio&gt;16X9&lt;/aspect_ratio&gt;
              &lt;segment&gt;
                  &lt;sequence&gt;1&lt;/sequence&gt;
                  &lt;tc_in&gt;23:00:00:00&lt;/tc_in&gt;
                  &lt;tc_out&gt;23:00:30:00&lt;/tc_out&gt; 
                  &lt;comment&gt;&lt;/comment&gt;    
              &lt;/segment&gt;
              &lt;/asset_data&gt;
          &lt;/file_information&gt;
  </code></pre>
  
  <p>what would be your suggestion?
  Many thanks!</p>