Tidying

src/freedombone-utils-dns

           echo '}'; } > "${INADYN_CONFIG_FILE}"
     fi
 
-    if ! grep -q "$CURRENT_DDNS_DOMAIN" "${INADYN_CONFIG_FILE}"; then
-        sed -i "s|hostname .*|hostname       = $DEFAULT_DOMAIN_NAME"
-    fi
+    sed -i "s|hostname .*|hostname       = $DEFAULT_DOMAIN_NAME"
     chmod 600 "${INADYN_CONFIG_FILE}"
 
     systemctl daemon-reload