Sunset requested services (#1372)

This PR removes the following SDKs due to their services being sunset:
- `com.amazonaws.qldb#AmazonQLDB`
- `com.amazonaws.qldbsession#QLDBSession`
- `com.amazonaws.robomaker#robomaker`
- `com.amazonaws.lookoutmetrics#LookoutMetrics`
- `com.amazonaws.lookoutvision#LookoutVisionService`
- `com.amazonaws.iotfleethub#AWSIoTFleetHub`
- `com.amazonaws.apptest#AwsApptestControlPlaneService`

---

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Author: ysaito1001

aws-models/apptest.json

@@ -1,7 +1,7 @@
 smithy_rs_revision = 'bf4f9971ff6464d32a9736222de31f7af6357c79'
 
 [manual_interventions]
-crates_to_remove = []
+crates_to_remove = ["aws-sdk-qldb", "aws-sdk-qldbsession", "aws-sdk-robomaker", "aws-sdk-lookoutmetrics", "aws-sdk-lookoutvision", "aws-sdk-iotfleethub", "aws-sdk-apptest"]
 [crates.aws-config]
 category = 'AwsRuntime'
 version = '1.8.8'