remove reference to non-existent file
diff --git a/Objects/unicodeobject.c b/Objects/unicodeobject.c
index 92208f4..9971f5c 100644
--- a/Objects/unicodeobject.c
+++ b/Objects/unicodeobject.c
@@ -1,8 +1,7 @@
 /*
 
 Unicode implementation based on original code by Fredrik Lundh,
-modified by Marc-Andre Lemburg <mal@lemburg.com> according to the
-Unicode Integration Proposal (see file Misc/unicode.txt).
+modified by Marc-Andre Lemburg <mal@lemburg.com>.
 
 Major speed upgrades to the method implementations at the Reykjavik
 NeedForSpeed sprint, by Fredrik Lundh and Andrew Dalke.