Remove search_name and search_name_part from goto returns.

The search_name can be retrieved by checking definitions for it. Definitions should always be names or even better name_parts in case of goto. Therefore we can just get it there.

jedi/evaluate/__init__.py

@@ -336,7 +336,7 @@ class Evaluator(object):
         for s in scopes:
             follow_res += self.find_types(s, search_name_part, pos,
                                           search_global=search_global, is_goto=True)
-        return follow_res, search_name_part
+        return follow_res
 
 
 def filter_private_variable(scope, call_scope, var_name):

jedi/evaluate/param.py

@@ -43,7 +43,7 @@ def _get_calling_var_args(evaluator, var_args):
             if len(exp_list) != 2 or exp_list[0] not in ('*', '**'):
                 continue
 
-            names, _ = evaluator.goto(argument, [exp_list[1].get_code()])
+            names = evaluator.goto(argument, [exp_list[1].get_code()])
             if len(names) != 1:
                 break
             param = names[0].parent