Remove the unused override_enum_ty option

Author: fitzgen

bindgen_plugin/src/bgmacro.rs

@@ -101,7 +101,6 @@ impl MacroArgsVisitor for BindgenArgsVisitor {
             Some("link_framework") => self.options.links.push((val.to_string(), LinkType::Framework)),
             Some("match") => self.options.match_pat.push(val.to_string()),
             Some("clang_args") => self.options.clang_args.push(val.to_string()),
-            Some("enum_type") => self.options.override_enum_ty = val.to_string(),
             _ => return false
         }
         true

src/lib.rs

@@ -145,7 +145,6 @@ pub struct BindgenOptions {
     pub namespaced_constants: bool,
     /// Whether to use msvc mangling rules
     pub msvc_mangling: bool,
-    pub override_enum_ty: String,
     pub raw_lines: Vec<String>,
     pub clang_args: Vec<String>,
 }
@@ -165,7 +164,6 @@ impl Default for BindgenOptions {
             ignore_methods: false,
             derive_debug: true,
             enable_cxx_namespaces: false,
-            override_enum_ty: "".to_string(),
             unstable_rust: true,
             namespaced_constants: true,
             msvc_mangling: false,