Remove the useless projects under tools folder (#20633)

* Remove the useless projects under tools folder

* Add back FormatPs1XmlGenerator

Author: wyunchi-ms

.ci-config.json

@@ -264,10 +264,7 @@
         "tools/Gen2Master/*",
         "tools/InstallationTests/*",
         "tools/Installer/*",
-        "tools/NetCoreCsProjSync/*",
-        "tools/NetCorePsd1Sync/*",
         "tools/ProjectTemplates/*",
-        "tools/RepoTasks/*",
         "tools/SecurityTools/*",
         "tools/Test/*",
         "tools/Tools.Common.Test/*",