MAINT: Remove feature with no effect ("use_union")

bluss · bluss · commit c4b95279e96f · 2018-12-16T18:32:14.000+01:00
diff --git a/Cargo.toml b/Cargo.toml
@@ -44,9 +44,6 @@ serde-1 = ["serde"]
 array-sizes-33-128 = []
 array-sizes-129-255 = []
 
-# has no effect
-use_union = []
-
 [package.metadata.docs.rs]
 features = ["serde-1"]
 
