message: Fix managementgroup output-folders in go SDK
diff: @@ -27,7 +27,7 @@ These settings apply only when `--tag=package-2020-05 --go` is specified on the
  Please also specify `--go-sdk-folder=<path to the root directory of your azure-sdk-for-go clone>`.
  ``` yaml $(tag)=='package-2020-05' && $(go)
  -output-folder: $(go-sdk-folder)/services/preview/resources/mgmt/2020-05-01/$(namespace)
  +output-folder: $(go-sdk-folder)/services/resources/mgmt/2020-05-01/$(namespace)
  ```
  ### Tag: package-2020-02 and go
  @@ -36,7 +36,7 @@ These settings apply only when `--tag=package-2020-02 --go` is specified on the
  Please also specify `--go-sdk-folder=<path to the root directory of your azure-sdk-for-go clone>`.
  ``` yaml $(tag)=='package-2020-02' && $(go)
  -output-folder: $(go-sdk-folder)/services/preview/resources/mgmt/2020-02-01/$(namespace)
  +output-folder: $(go-sdk-folder)/services/resources/mgmt/2020-02-01/$(namespace)
  ```
  ### Tag: package-2019-11 and go
  @@ -45,7 +45,7 @@ These settings apply only when `--tag=package-2019-11 --go` is specified on the
  Please also specify `--go-sdk-folder=<path to the root directory of your azure-sdk-for-go clone>`.
  ``` yaml $(tag)=='package-2019-11' && $(go)
  -output-folder: $(go-sdk-folder)/services/preview/resources/mgmt/2019-11-01/$(namespace)
  +output-folder: $(go-sdk-folder)/services/resources/mgmt/2019-11-01/$(namespace)
  ```
  ### Tag: package-2018-03 and go
  