Cleanup the tests config file as it is no more used as an example in the docs.

tests/sample/sigal.conf.py

@@ -1,55 +1,11 @@
 # -*- coding: utf-8 -*-
-#
-# All configuration values have a default; values that are commented out serve
-# to show the default. Default values are specified when modified in this
-# example config file
 
-# Theme :
-# - colorbox (default), galleria, or the path to a custom theme directory
-# theme = 'colorbox'
-
-# Size of resized image
-# img_size = (640, 480)
-
-# Generate thumbnails
-# make_thumbs = True
-
-# Subdirectory of the thumbnails
-# thumb_dir = 'thumbnails'
-
-# Prefix and/or suffix for thumbnail names (default: '')
-# thumb_prefix =
 thumb_suffix = '.tn'
-
-# Thumbnail size (default: (150, 112))
 thumb_size = (200, 150)
-
-# Crop the image to fill the box
-# thumb_fit = True
-
-# Keep original image (default: False)
 keep_orig = True
 
-# Subdirectory for original images
-# orig_dir = 'original'
-
-# Jpeg options
-# jpg_options = {'quality': 85,
-#                'optimize': True,
-#                'progressive': True}
-
-# Add index.html to the URLs
-# index_in_url = False
-
-# A list of links (tuples (title, URL))
 links = [('Example link', 'http://example.org'),
          ('Another link', 'http://example.org')]
 
-# Keep exif metadatas in output image (default: False)
 copy_exif = True
-
-# Add a copyright text on the image (default: '')
 copyright = "An example copyright message"
-
-# Google Analytics tracking code (UA-xxxx-x)
-# google_analytics = ''