[WS] Merge download_if_not_exist and download functions

git-svn-id: svn://kolibrios.org@9384 a494cfbc-eb01-0410-851d-a64ba20cac60

_tools/workspace/run.py

@@ -14,7 +14,6 @@ from workspace.build import build
 from lib.makeflop import Floppy
 from lib.platform import is_win32, path
 from lib.logging import log
-from lib.network import download_if_not_exist
 from lib.constants import tools_cache_kolibri_img
 
 # TODO: Move into _tools/lib