Remove ion item divider

This is for ionic 2 and 3. Please refer to this answer for higher versions of ionic

use no-lines

<ion-row ion-list>
    <ion-col width-25 *ngFor="let player of players">
         <ion-item no-lines color="dark"><!-- here -->
              <ion-avatar item-left>
                  <img [src]="photo" class="img img-circle"/>
              </ion-avatar>
              {{user.name}}
         </ion-item>
     </ion-col>
</ion-row>