removed apparently dead comment

diff --git a/Cython/Compiler/ExprNodes.py b/Cython/Compiler/ExprNodes.py
index fcd1970fcb32158b8a030121dad2fc6c83bb7cf8..86520b168788d26a0876acc1ea28f8ffa357e226 100755 (executable)
--- a/Cython/Compiler/ExprNodes.py
+++ b/Cython/Compiler/ExprNodes.py
@@ -6518,9 +6518,6 @@ requires = [raise_noneindex_error_utility_code])
 
 #------------------------------------------------------------------------------------
 
-# If the is_unsigned flag is set, we need to do some extra work to make 
-# sure the index doesn't become negative. 
-
 getitem_int_utility_code = UtilityCode(
 proto = """