1. remove a stroryboard and implement VC and ElevationProfileDescriptionCell programmatically
2. move the description collection view over the chart
3. remove some unused code
4. add isChartViewInfoHidden to show/hide the info view and enable/disable user interation (will be used for the track recording)
Signed-off-by: Kiryl Kaveryn <kirylkaveryn@gmail.com>