title: I want to remove script and a tags from jsoup element
body: <p>I have following in element
  element value;</p>
  
  <p><div class="snippet" data-lang="js" data-hide="false">
  <div class="snippet-code">
  <pre class="snippet-code-html lang-html prettyprint-override"><code>org.jsoup.nodes.Element value=&lt;div&gt;
                    &lt;h1&gt;Harry potter and deathly hallows&lt;h1&gt;
                    some Info........
                    &lt;a href="http://www.hp.com"&gt;greate person&lt;/a&gt;
                    &lt;a href="http://www.hp2.com"&gt;cast&lt;/a&gt;
                    &lt;script&gt;
  some function
                    &lt;/script&gt;
                    &lt;/div&gt;</code></pre>
  </div>
  </div>
  </p>
  
  <p>I want to remove all  and 
  so that my value becomes</p>
  
  <p><div class="snippet" data-lang="js" data-hide="false">
  <div class="snippet-code">
  <pre class="snippet-code-html lang-html prettyprint-override"><code>org.jsoup.nodes.Element value=&lt;div&gt;
                    &lt;h1&gt;Harry potter and deathly hallows&lt;h1&gt;
                    some Info........
                    &lt;/div&gt;</code></pre>
  </div>
  </div>
  </p>