Remove a lot more Python 2 mentions and todos

jedi/inference/gradual/typeshed.py

@@ -272,7 +272,7 @@ def _load_from_typeshed(inference_state, python_value_set, parent_module_value,
 def _try_to_load_stub_from_file(inference_state, python_value_set, file_io, import_names):
     try:
         stub_module_node = parse_stub_module(inference_state, file_io)
-    except (OSError, IOError):  # IOError is Python 2 only
+    except OSError:  # IOError is Python 2 only
         # The file that you're looking for doesn't exist (anymore).
         return None
     else:

jedi/inference/gradual/typing.py

@@ -88,12 +88,10 @@ class TypingModuleName(NameWrapper):
                 inference_state, self.parent_context, self.tree_name)
         elif name in ('no_type_check', 'no_type_check_decorator'):
             # This is not necessary, as long as we are not doing type checking.
-            for c in self._wrapped_name.infer():  # Fuck my life Python 2
-                yield c
+            yield from self._wrapped_name.infer()
         else:
             # Everything else shouldn't be relevant for type checking.
-            for c in self._wrapped_name.infer():  # Fuck my life Python 2
-                yield c
+            yield from self._wrapped_name.infer()
 
 
 class TypingModuleFilterWrapper(FilterWrapper):