Remove duplicate ErrorBar/popups tray

Removed duplicated components.

Restyled the popups to accomodate extra height of viewer tools.

client/homebrew/brewRenderer/brewRenderer.jsx

@@ -247,12 +247,6 @@ const BrewRenderer = (props)=>{
 					tabIndex={-1}
 					style={{ height: state.height }}>
 
-					<ErrorBar errors={props.errors} />
-					<div className='popups'>
-						<RenderWarnings />
-						<NotificationPopup />
-					</div>
-
 					{/* Apply CSS from Style tab and render pages from Markdown tab */}
 					{state.isMounted
 						&&

client/homebrew/brewRenderer/notificationPopup/notificationPopup.less

@@ -1,9 +1,10 @@
 .popups {
 	position         : fixed;
-	top              : @navbarHeight;
+	top              : calc(@navbarHeight + @viewerToolsHeight);
 	right            : 24px;
 	z-index          : 10001;
 	width            : 450px;
+	padding-top      : 5px;
 }
 
 .notificationPopup {

client/homebrew/navbar/navbar.less

@@ -1,6 +1,7 @@
 @import 'naturalcrit/styles/colors.less';
 
 @navbarHeight : 28px;
+@viewerToolsHeight : 32px;
 
 @keyframes pinkColoring {
 	0% { color : pink; }