removing custom __setitem__ again, because we do NOT

want to use things such as '1n' in pykat, it just needs
to be used during the init constructor which is used when
reading finesse code.

pykat/detectors.py

@@ -57,12 +57,13 @@ class photodiode(Detector):
                 values = []
             list.__init__(self,[SIfloat(value) for value in values])
 
+        """    
         def __setitem__(self, key, value):
             list.__setitem__(self,key, SIfloat(value))
 
         def append(self, value):
             list.append(self,SIfloat(value))
-            
+        """    
         ### todo add append with SIfloat
             
     class __Phi(list):
@@ -82,13 +83,13 @@ class photodiode(Detector):
                 return list.__getitem__(self,key)
             else:
                 return float(list.__getitem__(self,key))
-            
+        """    
         def __setitem__(self,key,value):
             list.__setitem__(self,key, self.__convertValue(value))
 
         def append(self, value):
             list.append(self,self.__convertValue(value))
-
+        """
         ### todo add append with convertValue