Stop using function that makes disk system call

since some systems might not allow it.

sbws/core/scanner.py

@@ -21,8 +21,6 @@ import logging
 import requests
 import random
 
-from ..util.fs import is_low_space
-
 
 rng = random.SystemRandom()
 end_event = Event()
@@ -371,9 +369,6 @@ def gen_parser(sub):
 
 
 def main(args, conf):
-    if is_low_space(conf):
-        exit(1)
-
     if conf.getint('scanner', 'measurement_threads') < 1:
         fail_hard('Number of measurement threads must be larger than 1')