message: fix Go SDK codegen for devtestlabs package-2018-09
diff: @@ -23,8 +23,8 @@ batch:
  These settings apply only when `--tag=package-2018-09 --go` is specified on the command line.
  Please also specify `--go-sdk-folder=<path to the root directory of your azure-sdk-for-go clone>`.
  -``` yaml $(tag) == 'package-2018-09-preview' && $(go)
  -output-folder: $(go-sdk-folder)/services/devtestlabs/mgmt/2015-09-15/$(namespace)
  +``` yaml $(tag) == 'package-2018-09' && $(go)
  +output-folder: $(go-sdk-folder)/services/devtestlabs/mgmt/2018-09-15/$(namespace)
  ```
  ### Tag: package-2016-05 and go
  