strip some unnecessary line formatting from the argument unpacking code

--HG--
extra : transplant_source : %E1%BD%09M%C8%3C%C0%9A%86%D3%23%1DW%BB.C%18%CD%8C%3B

Cython/Compiler/Nodes.py

@@ -2660,9 +2660,6 @@ class DefNode(FuncDefNode):
                 reversed_args = list(enumerate(positional_args))[::-1]
                 for i, arg in reversed_args:
                     if i >= min_positional_args-1:
-                        if min_positional_args > 1:
-                            code.putln('case %2d:' % (i+1)) # pure code beautification
-                        else:
                         code.put('case %2d: ' % (i+1))
                     code.putln("values[%d] = PyTuple_GET_ITEM(%s, %d);" % (i, Naming.args_cname, i))
                 if min_positional_args == 0: