configs: remove import block duplicate id check

Author: kmoe

internal/command/testdata/validate-invalid/duplicate_import_ids/main.tf

@@ -161,17 +161,6 @@ func TestSameImportTargetMultipleTimesShouldFail(t *testing.T) {
 	}
 }
 
-func TestSameImportIDMultipleTimesShouldFail(t *testing.T) {
-	output, code := setupTest(t, "validate-invalid/duplicate_import_ids")
-	if code != 1 {
-		t.Fatalf("Should have failed: %d\n\n%s", code, output.Stderr())
-	}
-	wantError := `Error: Duplicate import for ID "test"`
-	if !strings.Contains(output.Stderr(), wantError) {
-		t.Fatalf("Missing error string %q\n\n'%s'", wantError, output.Stderr())
-	}
-}
-
 func TestOutputWithoutValueShouldFail(t *testing.T) {
 	output, code := setupTest(t, "validate-invalid/outputs")
 	if code != 1 {
@@ -241,7 +230,6 @@ func TestValidate_json(t *testing.T) {
 		{"validate-invalid/multiple_modules", false},
 		{"validate-invalid/multiple_resources", false},
 		{"validate-invalid/duplicate_import_targets", false},
-		{"validate-invalid/duplicate_import_ids", false},
 		{"validate-invalid/outputs", false},
 		{"validate-invalid/incorrectmodulename", false},
 		{"validate-invalid/interpolation", false},

internal/command/testdata/validate-invalid/duplicate_import_ids/output.json

@@ -431,18 +431,6 @@ func (m *Module) appendFile(file *File) hcl.Diagnostics {
 				})
 				continue
 			}
-
-			if i.ID == mi.ID {
-				if i.To.Resource.Resource.Type == mi.To.Resource.Resource.Type {
-					diags = append(diags, &hcl.Diagnostic{
-						Severity: hcl.DiagError,
-						Summary:  fmt.Sprintf("Duplicate import for ID %q", i.ID),
-						Detail:   fmt.Sprintf("An import block for the ID %q and a resource of type %q was already declared at %s. The same resource cannot be imported twice.", i.ID, i.To.Resource.Resource.Type, mi.DeclRange),
-						Subject:  &i.DeclRange,
-					})
-					continue
-				}
-			}
 		}
 
 		if i.ProviderConfigRef != nil {