runtests: unindent an "if True" block

The block was left to make review easier. This patch unindents it.

tests/run-tests.py

@@ -141,7 +141,6 def checkportisavailable(port):
         family = socket.AF_INET6
     else:
         family = socket.AF_INET
-    if True:
         try:
             s = socket.socket(family, socket.SOCK_STREAM)
             s.bind(('localhost', port))