resource/aws_directory_service_directory: Remove deprecated (helper/s…

…chema.ResourceData).Partial() and (helper/schema.ResourceData).SetPartial() (hashicorp#12463)

Reference: hashicorp#12083
Reference: hashicorp#12087

Previously:

```
aws/resource_aws_directory_service_directory.go:317:2: R008: deprecated (schema.ResourceData).SetPartial
aws/resource_aws_directory_service_directory.go:391:3: R008: deprecated (schema.ResourceData).SetPartial
```

Output from acceptance testing (failure present on master):

```
--- PASS: TestAccAWSDirectoryServiceDirectory_basic (488.80s)
--- PASS: TestAccAWSDirectoryServiceDirectory_connector (968.66s)
--- PASS: TestAccAWSDirectoryServiceDirectory_microsoft (1688.96s)
--- PASS: TestAccAWSDirectoryServiceDirectory_microsoftStandard (1824.96s)
--- PASS: TestAccAWSDirectoryServiceDirectory_tags (623.46s)
--- PASS: TestAccAWSDirectoryServiceDirectory_withAliasAndSso (584.98s)
```

aws/resource_aws_directory_service_directory.go

@@ -314,8 +314,6 @@ func createActiveDirectoryService(dsconn *directoryservice.DirectoryService, d *
 }
 
 func enableDirectoryServiceSso(dsconn *directoryservice.DirectoryService, d *schema.ResourceData) error {
-	d.SetPartial("enable_sso")
-
 	if v, ok := d.GetOk("enable_sso"); ok && v.(bool) {
 		log.Printf("[DEBUG] Enabling SSO for DS directory %q", d.Id())
 		if _, err := dsconn.EnableSso(&directoryservice.EnableSsoInput{
@@ -388,8 +386,6 @@ func resourceAwsDirectoryServiceDirectoryCreate(d *schema.ResourceData, meta int
 	}
 
 	if v, ok := d.GetOk("alias"); ok {
-		d.SetPartial("alias")
-
 		input := directoryservice.CreateAliasInput{
 			DirectoryId: aws.String(d.Id()),
 			Alias:       aws.String(v.(string)),