Update style of default tooltips to match the new style

Signed-off-by: Michael Telatynski <7t3chguy@gmail.com>

src/components/views/rooms/RoomBreadcrumbs2.tsx

@@ -93,7 +93,7 @@ export default class RoomBreadcrumbs2 extends React.PureComponent<IProps, IState
                     onClick={() => this.viewRoom(r, i)}
                     aria-label={_t("Room %(name)s", {name: r.name})}
                     title={r.name}
-                    tooltipClassName={"mx_RoomBreadcrumbs2_Tooltip"}
+                    tooltipClassName="mx_RoomBreadcrumbs2_Tooltip"
                 >
                     <DecoratedRoomAvatar
                         room={r}

src/components/views/rooms/RoomTileIcon.tsx

@@ -162,7 +162,6 @@ export default class RoomTileIcon extends React.Component<IProps, IState> {
 
         return <TextWithTooltip
             tooltip={tooltipText(this.state.icon)}
-            tooltipClass="mx_Tooltip_timeline"
             class={`mx_RoomTileIcon mx_RoomTileIcon_${this.state.icon.toLowerCase()}`}
         />;
     }