message: fix the output folder to let it reflect the real api-version
diff: @@ -24,7 +24,7 @@ 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: $(go-sdk-folder)/services/$(namespace)/mgmt/2020-02-01/$(namespace)
  +output-folder: $(go-sdk-folder)/services/$(namespace)/mgmt/2020-02-14/$(namespace)
  ```
  ### Tag: package-2018-02
  