delete old release tag
diff --git a/.hgtags b/.hgtags
index 2185af4..fbff610 100644
--- a/.hgtags
+++ b/.hgtags
@@ -1,5 +1,3 @@
-1f0a01c93d305f1ab636c68b67346659c5b957f7 release
 1f0a01c93d305f1ab636c68b67346659c5b957f7 release.2009-11-06
-1f0a01c93d305f1ab636c68b67346659c5b957f7 release
 64e703cb307da550861fe740ff70a482a2c14819 release
 64e703cb307da550861fe740ff70a482a2c14819 release.2009-11-10