remove va's icon, fix menu settings lines for greenify/novalauncher

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 Changes to be committed:
	deleted:    res/drawable-hdpi/ic_settings_aboutvanir.png
	deleted:    res/drawable-mdpi/ic_settings_aboutvanir.png
	deleted:    res/drawable-xhdpi/ic_settings_aboutvanir.png
	modified:   res/xml/settings_headers.xml
cleaner looking icons

:x

 Changes to be committed:
	modified:   res/drawable-hdpi/ic_settings_greenify.png
	modified:   res/drawable-hdpi/ic_settings_novalauncher.png
	modified:   res/drawable-mdpi/ic_settings_greenify.png
	modified:   res/drawable-mdpi/ic_settings_novalauncher.png
	modified:   res/drawable-xhdpi/ic_settings_greenify.png
	modified:   res/drawable-xhdpi/ic_settings_novalauncher.png