Chore: remove IsDisabled method for access control (#74340)

remove IsDisabled method for access control, clean up tests

pkg/services/accesscontrol/actest/fake.go

@@ -12,7 +12,6 @@ var _ accesscontrol.RoleRegistry = new(FakeService)
 
 type FakeService struct {
 	ExpectedErr                     error
-	ExpectedDisabled                bool
 	ExpectedCachedPermissions       bool
 	ExpectedPermissions             []accesscontrol.Permission
 	ExpectedFilteredUserPermissions []accesscontrol.Permission
@@ -49,10 +48,6 @@ func (f FakeService) RegisterFixedRoles(ctx context.Context) error {
 	return f.ExpectedErr
 }
 
-func (f FakeService) IsDisabled() bool {
-	return f.ExpectedDisabled
-}
-
 func (f FakeService) SaveExternalServiceRole(ctx context.Context, cmd accesscontrol.SaveExternalServiceRoleCommand) error {
 	return f.ExpectedErr
 }
@@ -65,7 +60,6 @@ var _ accesscontrol.AccessControl = new(FakeAccessControl)
 
 type FakeAccessControl struct {
 	ExpectedErr      error
-	ExpectedDisabled bool
 	ExpectedEvaluate bool
 }
 
@@ -76,10 +70,6 @@ func (f FakeAccessControl) Evaluate(ctx context.Context, user identity.Requester
 func (f FakeAccessControl) RegisterScopeAttributeResolver(prefix string, resolver accesscontrol.ScopeAttributeResolver) {
 }
 
-func (f FakeAccessControl) IsDisabled() bool {
-	return f.ExpectedDisabled
-}
-
 type FakeStore struct {
 	ExpectedUserPermissions  []accesscontrol.Permission
 	ExpectedUsersPermissions map[int64][]accesscontrol.Permission