refactor: Remove code suggestion server configuration

refactor: Remove code suggestion server configuration

Main issue: https://gitlab.com/gitlab-org/modelops/applied-ml/ai-assist/ai-assist-api/-/issues/10

Screenshots

Before	After

Manual test

Code completion works fine in VsCode development mode

console.log("Hello");

// create a react functional component
var HelloWorld = React.createClass({
  render: function() {
    return (
      <div className="hello-world">
        <p>Hello {this.props.name}!</p>
      </div>
    );
  }
});
</div>