Remove duplicate hgtags entries for 2.6.8rc{1,2}.
diff --git a/.hgtags b/.hgtags
index 90582bf..bf95bf6 100644
--- a/.hgtags
+++ b/.hgtags
@@ -138,6 +138,4 @@
 e189dc8fd66154ef46d9cd22584d56669b544ca3 v2.6.6rc2
 9f8771e0905277f8b3c2799113a062fda4164995 v2.6.6
 caab08cd2b3eb5a6f78479b2513b65d36c754f41 v2.6.8rc1
-5356b6c7fd66664679f9bd71f7cd085239934e43 v2.6.8rc1
 1d1b7b9fad48bd0dc60dc8a06cca4459ef273127 v2.6.8rc2
-bd9e1a02e3e329fa7b6da06113090a401909c4ea v2.6.8rc2