[Maps] mapFeatureTooltip styles migration to emotion (elastic#221657)

Part of elastic#207852

Author: olapawlus

x-pack/platform/plugins/shared/maps/public/connected_components/_index.scss

@@ -3,4 +3,3 @@
 @import 'right_side_controls/index';
 @import 'toolbar_overlay/index';
 @import 'mb_map/keydown_scroll_zoom/index';
-@import 'mb_map/tooltip_control/features_tooltip/index';