ExecuteOrDelayUntilScriptLoaded(hideWarning, "sp.js");
function hideWarning() {
    var statusbarContainer = document.getElementById('s4-statusbarcontainer');
    if (statusbarContainer != null) {    
        var messageSpan = document.getElementById('status_1_body');
        if (messageSpan != null) {
            if (messageSpan.innerHTML.indexOf('The current page has been customized from its template.') == -1)
                statusbarContainer.style.display = 'inline';
        }
    }
}