update informatica readme.go.md (#29217)

Author: Alancere

specification/informatica/resource-manager/readme.go.md

@@ -4,7 +4,7 @@ These settings apply only when `--go` is specified on the command line.
 
 ```yaml $(go) && $(track2)
 license-header: MICROSOFT_MIT_NO_VERSION
-module-name: sdk/resourcemanager/informaticadatamanagement/arminformaticadatamanagement
+module-name: sdk/resourcemanager/informaticadatamgmt/arminformaticadatamgmt
 module: github.com/Azure/azure-sdk-for-go/$(module-name)
 output-folder: $(go-sdk-folder)/$(module-name)
 azure-arm: true