message: remove timestamp logging in profiler
diff: @@ -196,7 +196,6 @@ module.exports = React.createClass({
  this._scrollTimeout.restart();
  this._saveScrollState();
  this.updatePreventShrinking();
  - console.timeStamp("onScroll:" + JSON.stringify({st: this._getScrollNode().scrollTop, mh: this._getMessagesHeight(), lh: this._getListHeight()}));
  this.props.onScroll(ev);
  this.checkFillState();
  },
  @@ -638,9 +637,8 @@ module.exports = React.createClass({
  const bottomDiff = newBottomOffset - scrollState.bottomOffset;
  this._bottomGrowth += bottomDiff;
  scrollState.bottomOffset = newBottomOffset;
  - console.timeStamp("restoreSavedScrollState:" + JSON.stringify({bd: bottomDiff, lh: this._getListHeight()}));
  itemlist.style.height = `${this._getListHeight()}px`;
  - debuglog("balancing height because messages below viewport grew by "+bottomDiff+"px");
  + debuglog("balancing height because messages below viewport grew by", bottomDiff);
  }
  }
  if (!this._heightUpdateInProgress) {
  @@ -678,7 +676,6 @@ module.exports = React.createClass({
  itemlist.style.height = `${newHeight}px`;
  sn.scrollTop = sn.scrollHeight;
  debuglog("updateHeight to", newHeight);
  - console.timeStamp("updateHeight: to bottom");
  } else if (scrollState.trackedScrollToken) {
  const trackedNode = this._getTrackedNode();
  // if the timeline has been reloaded
  @@ -698,7 +695,6 @@ module.exports = React.createClass({
  const topDiff = newTop - oldTop;
  sn.scrollTop = preexistingScrollTop + topDiff;
  debuglog("updateHeight to", {newHeight, topDiff, preexistingScrollTop});
  - console.timeStamp("updateHeight:" + JSON.stringify({nh: newHeight, td: topDiff, st: preexistingScrollTop}));
  }
  }
  },
  