Remove obsolete logger arg passed into MD8475A objects

The logger for MD8475A is never set to be any logger other than the root logger. Remove this parameter from the MD8475A controller constructor.

Bug: 129488648
Test: None
Change-Id: Ic9e9353bf615d691b76ac25de00d103a33475eef
diff --git a/acts/tests/google/tel/lab/TelLabEtwsTest.py b/acts/tests/google/tel/lab/TelLabEtwsTest.py
index 5eff288..4552854 100644
--- a/acts/tests/google/tel/lab/TelLabEtwsTest.py
+++ b/acts/tests/google/tel/lab/TelLabEtwsTest.py
@@ -71,8 +71,8 @@
 
     def setup_class(self):
         try:
-            self.anritsu = MD8475A(self.md8475a_ip_address, self.log,
-                                   self.wlan_option, self.md8475_version)
+            self.anritsu = MD8475A(self.md8475a_ip_address, self.wlan_option,
+                                   self.md8475_version)
         except AnritsuError:
             self.log.error("Error in connecting to Anritsu Simulator")
             return False