Remove the continue argument to aria2c when --no-continue is specified

youtube_dl/downloader/external.py

@@ -182,7 +182,8 @@ class Aria2cFD(ExternalFD):
     AVAILABLE_OPT = '-v'
 
     def _make_cmd(self, tmpfilename, info_dict):
-        cmd = [self.exe, '-c']
+        cmd = [self.exe]
+        cmd += self._valueless_option('-c', 'continuedl')
         cmd += self._configuration_args([
             '--min-split-size', '1M', '--max-connection-per-server', '4'])
         dn = os.path.dirname(tmpfilename)