[cleanup] cleanup scripts/flickrripper.py
[cleanup] cleanup scripts/flickrripper.py

- use str.format(...) instead of modulo for type specifier
  arguments.

Change-Id: Iafa8a11fd24cea16b2e3ba387eb0ff11410ce392

PersianWikipedia/pywikibot-core,wikimedia/pywikibot-core,wikimedia/pywikibot-core