Update default.html

Author: ajeetraina

_layouts/default.html

@@ -59,10 +59,7 @@ <h2 class="project-tagline">{{ page.description | default: site.description | de
 
       <footer class="site-footer">
 
-        <h3> Join Collabnix Discord Channel </h3>
-        
-       <iframe src="https://discordapp.com/widget?id=1020180904129335379&theme=dark" width="350" height="500" allowtransparency="true" frameborder="0"></iframe>
-  
+       
 
               <h3> Practice Docker Tutorial </h3>
         <button> <a href=" https://www.onworks.net/runos/start-os.html?home=init&os=ubuntu-16.04.6-desktop-i386"> free Ubuntu VM </a></button>