DRA: remove "sharable" from claim allocation result

Now all claims are shareable up to the limit imposed by the size of the
"reserverFor" array.

This is one of the agreed simplifications for 1.31.

pkg/apis/resource/validation/validation_resourceclaim_test.go

@@ -336,7 +336,6 @@ func TestValidateClaimStatusUpdate(t *testing.T) {
 				}
 				return handles
 			}(),
-			Shareable: true,
 		},
 	}
 
@@ -584,25 +583,6 @@ func TestValidateClaimStatusUpdate(t *testing.T) {
 				return claim
 			},
 		},
-		"invalid-reserved-for-not-shared": {
-			wantFailures: field.ErrorList{field.Forbidden(field.NewPath("status", "reservedFor"), "may not be reserved more than once")},
-			oldClaim: func() *resource.ResourceClaim {
-				claim := validAllocatedClaim.DeepCopy()
-				claim.Status.Allocation.Shareable = false
-				return claim
-			}(),
-			update: func(claim *resource.ResourceClaim) *resource.ResourceClaim {
-				for i := 0; i < 2; i++ {
-					claim.Status.ReservedFor = append(claim.Status.ReservedFor,
-						resource.ResourceClaimConsumerReference{
-							Resource: "pods",
-							Name:     fmt.Sprintf("foo-%d", i),
-							UID:      types.UID(fmt.Sprintf("%d", i)),
-						})
-				}
-				return claim
-			},
-		},
 		"invalid-reserved-for-no-allocation": {
 			wantFailures: field.ErrorList{field.Forbidden(field.NewPath("status", "reservedFor"), "may not be specified when `allocated` is not set")},
 			oldClaim:     validClaim,