removed "enum" attribute from api version (#18129)

* removed "enum" attribute from api version

* update api version parameter in all versions

* removed external docs

* nit

Author: ammaralavi

specification/storageimportexport/resource-manager/Microsoft.ImportExport/preview/2021-01-01/storageimportexport.json

@@ -1287,10 +1287,7 @@
       "in": "query",
       "description": "Specifies the API version to use for this request.",
       "required": true,
-      "type": "string",
-      "enum": [
-        "2021-01-01"
-      ]
+      "type": "string"
     },
     "subscriptionId": {
       "name": "subscriptionId",

specification/storageimportexport/resource-manager/Microsoft.ImportExport/stable/2016-11-01/storageimportexport.json

@@ -46,9 +46,6 @@
             "$ref": "examples/ListLocations.json"
           }
         },
-        "externalDocs": {
-          "url": ""
-        },
         "parameters": [
           {
             "$ref": "#/parameters/api-version"
@@ -88,9 +85,6 @@
             "$ref": "examples/GetLocation.json"
           }
         },
-        "externalDocs": {
-          "url": ""
-        },
         "parameters": [
           {
             "name": "locationName",
@@ -134,9 +128,6 @@
             "$ref": "examples/ListJobsInSubscription.json"
           }
         },
-        "externalDocs": {
-          "url": ""
-        },
         "parameters": [
           {
             "name": "$top",
@@ -194,9 +185,6 @@
             "$ref": "examples/ListJobsInResourceGroup.json"
           }
         },
-        "externalDocs": {
-          "url": ""
-        },
         "parameters": [
           {
             "name": "$top",
@@ -260,9 +248,6 @@
             "$ref": "examples/GetExportJob.json"
           }
         },
-        "externalDocs": {
-          "url": ""
-        },
         "parameters": [
           {
             "name": "jobName",
@@ -313,9 +298,6 @@
             "$ref": "examples/UpdateExportJob.json"
           }
         },
-        "externalDocs": {
-          "url": ""
-        },
         "parameters": [
           {
             "name": "jobName",
@@ -375,9 +357,6 @@
             "$ref": "examples/CreateExportJob.json"
           }
         },
-        "externalDocs": {
-          "url": ""
-        },
         "parameters": [
           {
             "name": "jobName",
@@ -443,9 +422,6 @@
             "$ref": "examples/DeleteJob.json"
           }
         },
-        "externalDocs": {
-          "url": ""
-        },
         "parameters": [
           {
             "name": "jobName",
@@ -492,9 +468,6 @@
             "$ref": "examples/ListBitLockerKeys.json"
           }
         },
-        "externalDocs": {
-          "url": ""
-        },
         "parameters": [
           {
             "name": "jobName",
@@ -547,9 +520,6 @@
             "$ref": "examples/ListOperations.json"
           }
         },
-        "externalDocs": {
-          "url": ""
-        },
         "parameters": [
           {
             "$ref": "#/parameters/api-version"
@@ -1330,10 +1300,7 @@
       "in": "query",
       "description": "Specifies the API version to use for this request.",
       "required": true,
-      "type": "string",
-      "enum": [
-        "2016-11-01"
-      ]
+      "type": "string"
     },
     "subscriptionId": {
       "name": "subscriptionId",

specification/storageimportexport/resource-manager/Microsoft.ImportExport/stable/2020-08-01/storageimportexport.json

@@ -46,9 +46,6 @@
             "$ref": "examples/ListLocations.json"
           }
         },
-        "externalDocs": {
-          "url": ""
-        },
         "parameters": [
           {
             "$ref": "#/parameters/api-version"
@@ -88,9 +85,6 @@
             "$ref": "examples/GetLocation.json"
           }
         },
-        "externalDocs": {
-          "url": ""
-        },
         "parameters": [
           {
             "name": "locationName",
@@ -134,9 +128,6 @@
             "$ref": "examples/ListJobsInSubscription.json"
           }
         },
-        "externalDocs": {
-          "url": ""
-        },
         "parameters": [
           {
             "name": "$top",
@@ -194,9 +185,6 @@
             "$ref": "examples/ListJobsInResourceGroup.json"
           }
         },
-        "externalDocs": {
-          "url": ""
-        },
         "parameters": [
           {
             "name": "$top",
@@ -260,9 +248,6 @@
             "$ref": "examples/GetExportJob.json"
           }
         },
-        "externalDocs": {
-          "url": ""
-        },
         "parameters": [
           {
             "name": "jobName",
@@ -313,9 +298,6 @@
             "$ref": "examples/UpdateExportJob.json"
           }
         },
-        "externalDocs": {
-          "url": ""
-        },
         "parameters": [
           {
             "name": "jobName",
@@ -375,9 +357,6 @@
             "$ref": "examples/CreateExportJob.json"
           }
         },
-        "externalDocs": {
-          "url": ""
-        },
         "parameters": [
           {
             "name": "jobName",
@@ -443,9 +422,6 @@
             "$ref": "examples/DeleteJob.json"
           }
         },
-        "externalDocs": {
-          "url": ""
-        },
         "parameters": [
           {
             "name": "jobName",
@@ -492,9 +468,6 @@
             "$ref": "examples/ListBitLockerKeys.json"
           }
         },
-        "externalDocs": {
-          "url": ""
-        },
         "parameters": [
           {
             "name": "jobName",
@@ -547,9 +520,6 @@
             "$ref": "examples/ListOperations.json"
           }
         },
-        "externalDocs": {
-          "url": ""
-        },
         "parameters": [
           {
             "$ref": "#/parameters/api-version"
@@ -1330,10 +1300,7 @@
       "in": "query",
       "description": "Specifies the API version to use for this request.",
       "required": true,
-      "type": "string",
-      "enum": [
-        "2020-08-01"
-      ]
+      "type": "string"
     },
     "subscriptionId": {
       "name": "subscriptionId",