title: How to delete () in by sed
body: <p>For example</p>
  
  <p>I'd like trans:</p>
  
  <pre><code>M:HelloWorld:main(java.lang.String[]) (S)HelloWorld:foo()
  </code></pre>
  
  <p>To:</p>
  
  <pre><code>HelloWorld:main  HelloWorld:foo
  </code></pre>
  
  <p>Thanks!</p>