[OMCSessionZMQ] remove unused argument readonly

Author: syntron

OMPython/OMCSession.py

@@ -273,7 +273,7 @@ def getClassNames(self, className=None, recursive=False, qualified=False, sort=F
 
 class OMCSessionZMQ:
 
-    def __init__(self, readonly=False, timeout=10.00,
+    def __init__(self, timeout=10.00,
                  docker=None, dockerContainer=None, dockerExtraArgs=None, dockerOpenModelicaPath="omc",
                  dockerNetwork=None, port=None, omhome: str = None):
         if dockerExtraArgs is None: