Remove Sandbox Profiles in prod

Frontend/lib/mih_packages/mih_authentication/package_tools/mih_sign_in.dart

@@ -394,7 +394,9 @@ class _MihSignInState extends State<MihSignIn> {
 
                     //spacer
                     const SizedBox(height: 35),
-                    Center(
+                    Visibility(
+                      visible: AppEnviroment.getEnv() == "Dev",
+                      child: Center(
                         child: SizedBox(
                           width: width,
                           //height: 100.0,
@@ -439,6 +441,7 @@ class _MihSignInState extends State<MihSignIn> {
                           ),
                         ),
                       ),
+                    ),
                     const SizedBox(height: 10),
                     Center(
                       child: Visibility(