Remove ImageScrollablePanel.
Remove ChannelPopularity.
Remove unused imports and the DEBUG variable in widgets.py.
Small fix of removing ChannelPopularity.
Remove DottedBetterText.
Remove ProgressStaticText.
Remove VerticalGauge.
Remove EditStaticText.
Remove HorizontalGradientGauge.
Remove ChannelFooter.
Remove ChannelListFooter.
Remove TotalFooter.
Remove TitleFooter.
Remove ChannelResultFooter.
Remove unused import of BundleListView in TopSearchPanel.py.
Remove StringProgressPanel.
Remove MyChannelDetails.
Remove SearchHelpHeader.
Remove VideoMacFrame.
Remove unused import in MainVideoFrame.py.