title: how to remove key value from map in scala
body: <pre><code>Map(data -&gt; "sumi", rel -&gt; 2, privacy -&gt; 0, status -&gt; 1,name-&gt;"govind singh")
  </code></pre>
  
  <p>how to remove data from this map , if privacy is 0.</p>
  
  <pre><code>Map(rel -&gt; 2, privacy -&gt; 0, status -&gt; 1,name-&gt;"govind singh")  
  </code></pre>