Merge JoinMarket-Org/joinmarket-clientserver#1638: Remove unnecessary check for Python 3.7+

3d568376a9 Remove unnecessary check for Python 3.7+ (Kristaps Kaupe)

Pull request description:

  Python 3.6 support in JoinMarket is dropped for some time.

Top commit has no ACKs.

Tree-SHA512: e094c174219d289236742a92d4acb37c4763605984dc9e83a233bed6129358c2b96e59dfe0f91dd3fc502a8d02b52db5fe714a5c1dac41845623b4756131e822

scripts/obwatch/ob-watcher.py

@@ -16,10 +16,6 @@ from optparse import OptionParser
 from twisted.internet import reactor
 from datetime import datetime, timedelta
 
-if sys.version_info < (3, 7):
-    print("ERROR: this script requires at least python 3.7")
-    exit(1)
-
 from jmbase.support import EXIT_FAILURE
 from jmbase import bintohex
 from jmclient import FidelityBondMixin, get_interest_rate, check_and_start_tor