fix: Drops participants count white background. (#12416)

* fix: Drops participants count white background.

Currently, it is white background with white icon.

* squash: Drop unused import.

react/features/conference/components/web/ParticipantsCount.js

@@ -6,7 +6,6 @@ import type { Dispatch } from 'redux';
 import { openDialog } from '../../../base/dialog';
 import { IconUserGroups } from '../../../base/icons';
 import { Label } from '../../../base/label';
-import { COLORS } from '../../../base/label/constants';
 import { getParticipantCount } from '../../../base/participants';
 import { connect } from '../../../base/redux';
 import { SpeakerStats } from '../../../speaker-stats';
@@ -87,7 +86,6 @@ class ParticipantsCount extends PureComponent<Props> {
 
         return (
             <Label
-                color = { COLORS.white }
                 icon = { IconUserGroups }
                 onClick = { !this.props._isSpeakerStatsDisabled && this._onClick }
                 text = { count } />