Remove redundant class name from group template

Fixes line height on mobile
Signed-off-by: Takuya Noguchi <takninnovationresearch@gmail.com>
Changelog: fixed

app/views/shared/groups/_group.html.haml

 - user = local_assigns.fetch(:user, current_user)
 - access = user&.max_member_access_for_group(group.id)
 
-%li.group-row.py-3.gl-align-items-center{ class: "gl-display-flex!#{' no-description' if group.description.blank?}" }
+%li.group-row.py-3.gl-align-items-center{ class: "gl-display-flex!" }
   .avatar-container.rect-avatar.s40.gl-flex-shrink-0
     = link_to group do
       = group_icon(group, class: "avatar s40")