Removed unneeded phix and zoom attributes

Author: rhfogh

mxcubecore/HardwareObjects/mockup/DiffractometerMockup.py

@@ -54,8 +54,6 @@ def __init__(self, name):
         self.phiz = None
         self.sampx = None
         self.sampy = None
-        self.phix = None
-        self.zoom = None
 
     def init(self):
         """