Don't check for zero

src/freedombone-utils-android

                 read_config_param "${app_name_upper}_DOMAIN_NAME"
                 test_domain_name="${app_name_upper}_DOMAIN_NAME"
                 domain_name=${!test_domain_name}
-                if [[ "$domain_name" != "0" && "$app_name" != 'matrix' ]]; then
+                if [[ "$domain_name" && "$app_name" != 'matrix' ]]; then
                     { echo '        {';
                       echo "          \"name\": \"${app_name}\",";
                       echo "          \"platforms\": [";
                 fi
 
                 if [ "$MOBILE_APP_URL" ]; then
-                    if [[ "$domain_name" != "0" && "$app_name" != 'matrix' ]]; then
+                    if [[ "$domain_name" && "$app_name" != 'matrix' ]]; then
                         echo ',' >> "$plinth_api"
                     else
                         { echo '        {';