fix: undo model changes which removed waiters from route53

Author: trivikr

codegen/sdk-codegen/aws-models/route-53.2013-04-01.json

@@ -3104,6 +3104,23 @@
           "method": "GET",
           "uri": "/2013-04-01/change/{Id}",
           "code": 200
+        },
+        "smithy.waiters#waitable": {
+          "ResourceRecordSetsChanged": {
+            "acceptors": [
+              {
+                "state": "success",
+                "matcher": {
+                  "output": {
+                    "path": "ChangeInfo.Status",
+                    "expected": "INSYNC",
+                    "comparator": "stringEquals"
+                  }
+                }
+              }
+            ],
+            "minDelay": 30
+          }
         }
       }
     },