Remove unneeded feedback button in menubar

It is no longer needed, as the playground is no longer the public face of scratch gui

src/components/menu-bar/menu-bar.jsx

@@ -644,25 +644,6 @@ class MenuBar extends React.Component {
                     ) : (
                         // ******** no login session is available, so don't show login stuff
                         <React.Fragment>
-                            <div className={classNames(styles.menuBarItem, styles.feedbackButtonWrapper)}>
-                                <a
-                                    className={styles.feedbackLink}
-                                    href="https://scratch.mit.edu/discuss/topic/312261/"
-                                    rel="noopener noreferrer"
-                                    target="_blank"
-                                >
-                                    <Button
-                                        className={styles.feedbackButton}
-                                        iconSrc={feedbackIcon}
-                                    >
-                                        <FormattedMessage
-                                            defaultMessage="Give Feedback"
-                                            description="Label for feedback form modal button"
-                                            id="gui.menuBar.giveFeedback"
-                                        />
-                                    </Button>
-                                </a>
-                            </div>
                             {this.props.showComingSoon ? (
                                 <React.Fragment>
                                     <MenuBarItemTooltip id="mystuff">