clean: suppression de pycache du tracking

staticfiles/admin/img/README.txt

@@ -1,7 +0,0 @@
-All icons are taken from Font Awesome (https://fontawesome.com/) project.
-The Font Awesome font is licensed under the SIL OFL 1.1:
-- https://scripts.sil.org/OFL
-
-SVG icons source: https://github.com/encharm/Font-Awesome-SVG-PNG
-Font-Awesome-SVG-PNG is licensed under the MIT license (see file license
-in current folder).