Updated CLI Tools readme

INSTALLING_CLI_TOOLS.md

@@ -3,10 +3,3 @@
 
 To learn more about the Bot Framework Command Line Tools, please visit the [BF CLI github repository](https://aka.ms/bfcli) or the [BF CLI Overview documentation](https://docs.microsoft.com/en-us/azure/bot-service/bf-cli-overview). 
 
-
-## Legacy CLI Tools
-
-__The following page is about the legacy tools.__
-
-The older, legacy, CLI tools can be found here:
-https://github.com/Microsoft/botbuilder-tools