feat: remove outmoded "azldev advanced mock" cmds (#318)

These will be replaced by `buildenv` commands.

Author: reubeno

internal/app/azldev/cmds/advanced/advanced.go

@@ -19,6 +19,5 @@ func OnAppInit(app *azldev.App) {
 
 	app.AddTopLevelCommand(cmd)
 	mcpOnAppInit(app, cmd)
-	mockOnAppInit(app, cmd)
 	wgetOnAppInit(app, cmd)
 }