Revert "Remove x-ms-pageable to fix Go SDK Generation issue"

This reverts commit cdecb28.

Remove response code changes in ListDeleted operation

Author: jiacheng-L

specification/keyvault/resource-manager/Microsoft.KeyVault/stable/2019-09-01/examples/listDeletedVaults.json

@@ -24,24 +24,6 @@
         ],
         "nextLink": "https://management.azure.com/subscriptions/00000000-0000-0000-0000-000000000000/providers/Microsoft.KeyVault/deletedVaults?api-version=2019-09-01&%24skiptoken=HY3RaoMwAEX%2fRcbeYhJrnRXKYNWOuqpME0sfNcYui0Yxade19N8ne7hcDlzOvVuKX81eKKmt4G4dooLQwgqsL2NGHUDYV6o68Z4rY1e388RtNvRQn2vNJjEaMSgNvcbneMUcsKg8BFwft8DndQ0w9hu2QOiFLRs4TsNFNHzSMBFsGvTQGvuD%2f5bVuTOw4R03vPkH%2fVqNAlzm5SxfOwh7ACOA8POTlvPjILlaU1ke8jImOc23JCppQVfZnna0DXc4ISc3vSVuRo5zJE6%2bj25C3vwk2v2kEV2mMn7PyOc1DbtNGkonnzuLym1G400uI5QRZj0efw%3d%3d"
       }
-    },
-    "400": {
-      "headers": {},
-      "body": {
-        "error": {
-          "code": "",
-          "message": ""
-        }
-      }
-    },
-    "404": {
-      "headers": {},
-      "body": {
-        "error": {
-          "code": "",
-          "message": ""
-        }
-      }
     }
   }
 }

specification/keyvault/resource-manager/Microsoft.KeyVault/stable/2019-09-01/keyvault.json

@@ -413,6 +413,9 @@
             }
           }
         },
+        "x-ms-pageable": {
+          "nextLinkName": "nextLink"
+        },
         "x-ms-examples": {
           "List vaults in the specified resource group": {
             "$ref": "./examples/listVaultByResourceGroup.json"
@@ -456,6 +459,9 @@
             }
           }
         },
+        "x-ms-pageable": {
+          "nextLinkName": "nextLink"
+        },
         "x-ms-examples": {
           "List vaults in the specified subscription": {
             "$ref": "./examples/listVaultBySubscription.json"
@@ -490,20 +496,11 @@
             "schema": {
               "$ref": "#/definitions/DeletedVaultListResult"
             }
-          },
-          "400": {
-            "description": "Bad request.",
-            "schema": {
-              "$ref": "#/definitions/CloudError"
-            }
-          },
-          "404": {
-            "description": "The specified resource does not exist.",
-            "schema": {
-              "$ref": "#/definitions/CloudError"
-            }
           }
         },
+        "x-ms-pageable": {
+          "nextLinkName": "nextLink"
+        },
         "x-ms-examples": {
           "List deleted vaults in the specified subscription": {
             "$ref": "./examples/listDeletedVaults.json"
@@ -684,6 +681,9 @@
             }
           }
         },
+        "x-ms-pageable": {
+          "nextLinkName": "nextLink"
+        },
         "x-ms-examples": {
           "List vaults in the specified subscription": {
             "$ref": "./examples/listVault.json"