Reduce code duplication

Author: turt2live

src/components/structures/MessagePanel.js

@@ -540,8 +540,6 @@ export default class MessagePanel extends React.Component {
             if (!grouper) {
                 const wantTile = this._shouldShowEvent(mxEv);
                 if (wantTile) {
-                    const {nextEvent, nextTile} = this._getNextEventInfo(this.props.events, i);
-
                     // make sure we unpack the array returned by _getTilesForEvent,
                     // otherwise react will auto-generate keys and we will end up
                     // replacing all of the DOM elements every time we paginate.