Cargo.toml: remove redundant dev-dep on hex

diff --git a/Cargo.toml b/Cargo.toml
index 7752944c6fd3fe8fa1655c48601977d257b97baf..682d65d20aa07afddbbf47c8479d20a3d3525bcc 100644 (file)
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -24,7 +24,6 @@ num-bigint = "0.1"
 hex = "0.3"
 
 [dev-dependencies]
-hex = "0.3"
 bencher = "0.1"
 
 [[bench]]