Don't include url when adding user

src/freedombone-app-matrix

     if [ -f /var/lib/matrix/.synapse/bin/activate ]; then
         source /var/lib/matrix/.synapse/bin/activate
     fi
-    register_new_matrix_user -c ${MATRIX_DATA_DIR}/homeserver.yaml https://${DEFAULT_DOMAIN_NAME}/matrix -u "${new_username}" -p "${new_user_password}" -a
-    if [ ! "$?" = "0" ]; then
-        echo '1'
-    else
-        echo "0"
-    fi
+    register_new_matrix_user -c ${MATRIX_DATA_DIR}/homeserver.yaml -u "${new_username}" -p "${new_user_password}" -a
+    echo "0"
 }
 
 function install_interactive_matrix {