title: How to disable git gpg signing
body: <p>I'm using git gpg signing. I want to disable it. I've set <code>.gitconfig</code></p>
  
  <pre><code>[user]
      name = NAME
      email = EMAIL
      signingkey = KEY
  ...
  [commit]
      gpgsign = false
  </code></pre>
  
  <p>My commits are still signing by default. </p>
  
  <p>PS: I also disabled from Sourcetree <code>Repository/ Repository Settings/Security</code> tab. Both Sourcetree and terminal forces to use gpg. </p>