Prevent saving environment roles as empty strings

templates/workspaces/members/edit.html

@@ -74,8 +74,6 @@
             </span>
 
             <div class='project-list-item__environment__actions'>
-              <div>{{ form.data["environment_role"] }}</div>
-
               <span v-bind:class="label_class" v-html:on=displayName></span>
               <button v-on:click="openModal('{{ env.name }}RolesModal')" type="button" class="icon-link">set role</button>
               {% call Modal(name=env.name + 'RolesModal', dismissable=False) %}