Replace base class name with super()

In SectionStructure replace base class name with super() when calling  __init__() . Also drop the self argument to reduce boilerplate.

pefile.py

@@ -1138,7 +1138,7 @@ def __init__(self, *argl, **argd):
         self.VirtualAddress = None
         self.SizeOfRawData = None
         self.Misc_VirtualSize = None
-        Structure.__init__(self, *argl, **argd)
+        super().__init__(*argl, **argd)
         self.PointerToRawData_adj = None
         self.VirtualAddress_adj = None
         self.section_min_addr = None