remove themes setting

components/Layout/Header.js

@@ -200,11 +200,11 @@ class Header extends Component {
 							</a>
 						</li>
 						{/* START Offsidebar button */}
-						<li className="nav-item">
+						{/* <li className="nav-item">
 							<a className="nav-link" href="" onClick={this.toggleOffsidebar}>
 								<em className="icon-notebook" />
 							</a>
-						</li>
+						</li> */}
 						{/* END Offsidebar menu */}
 					</ul>
 					{/* END Right Navbar */}