Remove unused authorization from controller

app/controllers/projects/project_members_controller.rb

 class Projects::ProjectMembersController < Projects::ApplicationController
   # Authorize
   before_action :authorize_admin_project_member!, except: [:leave, :index]
-  before_action :authorize_read_members_list!, only: [:index]
 
   def index
     @project_members = @project.project_members
@@ -113,8 +112,4 @@ class Projects::ProjectMembersController < Projects::ApplicationController
   def member_params
     params.require(:project_member).permit(:user_id, :access_level)
   end
-
-  def authorize_read_members_list!
-    render_403 unless can?(current_user, :read_members_list , @project)
-  end
 end

app/helpers/projects_helper.rb

@@ -144,7 +144,7 @@ module ProjectsHelper
       nav_tabs << :settings
     end
 
-    if can?(current_user, :read_members_list, project)
+    if can?(current_user, :read_project_member, project)
       nav_tabs << :team
     end
 

app/models/ability.rb

@@ -189,8 +189,7 @@ class Ability
         :create_project,
         :create_issue,
         :create_note,
-        :upload_file,
-        :read_members_list
+        :upload_file
       ]
     end