refactor(iotspaces): migrate to unified folder structure (Azure#37246)

* refactor the folder structure

* fix go sdk ci error

* remove invalid info

---------

Co-authored-by: Qiaoqiao Zhang <55688292+qiaozha@users.noreply.github.com>

Author: zedy-wj

…review/2017-10-01-preview/iotspaces.json …review/2017-10-01-preview/iotspaces.jsonspecification/iotspaces/resource-manager/Microsoft.IoTSpaces/preview/2017-10-01-preview/iotspaces.json renamed to specification/iotspaces/resource-manager/Microsoft.IoTSpaces/IoTSpaces/preview/2017-10-01-preview/iotspaces.json specification/iotspaces/resource-manager/Microsoft.IoTSpaces/preview/2017-10-01-preview/iotspaces.json renamed to specification/iotspaces/resource-manager/Microsoft.IoTSpaces/IoTSpaces/preview/2017-10-01-preview/iotspaces.json

@@ -56,7 +56,7 @@ These settings apply only when `--tag=package-2017-10-preview` is specified on t
 
 ``` yaml $(tag) == 'package-2017-10-preview'
 input-file:
-- Microsoft.IoTSpaces/preview/2017-10-01-preview/iotspaces.json
+- preview/2017-10-01-preview/iotspaces.json
 ```
 
 ---
@@ -69,16 +69,11 @@ This is not used by Autorest itself.
 
 ``` yaml $(swagger-to-sdk)
 swagger-to-sdk:
-  - repo: azure-sdk-for-go
   - repo: azure-sdk-for-js
   - repo: azure-sdk-for-node
   - repo: azure-resource-manager-schemas
   - repo: azure-powershell
 ```
 
-## Go
-
-See configuration in [readme.go.md](./readme.go.md)
-
 
 

…ion/iotspaces/resource-manager/readme.md …/Microsoft.IoTSpaces/IoTSpaces/readme.mdspecification/iotspaces/resource-manager/readme.md renamed to specification/iotspaces/resource-manager/Microsoft.IoTSpaces/IoTSpaces/readme.md specification/iotspaces/resource-manager/readme.md renamed to specification/iotspaces/resource-manager/Microsoft.IoTSpaces/IoTSpaces/readme.md

@@ -0,0 +1,3 @@
+- tool: TypeSpecRequirement
+  path: ./preview/2017-10-01-preview/*.json
+  reason: Brownfield service not ready to migrate