Rollup merge of #62224 - euclio:remove-derives, r=GuillaumeGomez

rustdoc: remove unused derives and variants Though many structs in rustdoc derive `RustcEncodable` and `RustcDecodable`, the impls do not appear to be used by the crate or its dependents. Removing them revealed some enum variants that are never constructed, too. r? @GuillaumeGomez
rust-lang · Jun 29, 2019 · b30f62f · b30f62f
2 parents 14df5e8 + e991abd
commit b30f62f
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diff --git a/src/librustdoc/clean/cfg.rs b/src/librustdoc/clean/cfg.rs
@@ -16,7 +16,7 @@ use syntax_pos::Span;
 
 use crate::html::escape::Escape;
 
-#[derive(Clone, RustcEncodable, RustcDecodable, Debug, PartialEq, Eq, Hash)]
+#[derive(Clone, Debug, PartialEq, Eq, Hash)]
 pub enum Cfg {
     /// Accepts all configurations.
     True,