Remove crate_visibility_modifier from 2018 edition

Author: Mark-Simulacrum

src/libsyntax/feature_gate.rs

@@ -389,7 +389,7 @@ declare_features! (
     (active, non_exhaustive, "1.22.0", Some(44109), None),
 
     // `crate` as visibility modifier, synonymous to `pub(crate)`
-    (active, crate_visibility_modifier, "1.23.0", Some(45388), Some(Edition::Edition2018)),
+    (active, crate_visibility_modifier, "1.23.0", Some(45388), None),
 
     // extern types
     (active, extern_types, "1.23.0", Some(43467), None),

src/test/ui-fulldeps/unnecessary-extern-crate.rs

@@ -11,7 +11,7 @@
 // edition:2018
 
 #![deny(unused_extern_crates)]
-#![feature(alloc, test, libc)]
+#![feature(alloc, test, libc, crate_visibility_modifier)]
 
 extern crate alloc;
 //~^ ERROR unused extern crate

src/test/ui/crate-in-paths.rs

@@ -10,7 +10,7 @@
 
 // edition:2018
 
-#![feature(edition_2018_preview)]
+#![feature(crate_visibility_modifier)]
 
 mod bar {
     crate struct Foo;

src/test/ui/rust-2018/edition-lint-fully-qualified-paths.fixed

@@ -10,7 +10,7 @@
 
 // run-rustfix
 
-#![feature(rust_2018_preview)]
+#![feature(rust_2018_preview, crate_visibility_modifier)]
 #![deny(absolute_paths_not_starting_with_crate)]
 
 mod foo {

src/test/ui/rust-2018/edition-lint-fully-qualified-paths.rs

@@ -10,7 +10,7 @@
 
 // run-rustfix
 
-#![feature(rust_2018_preview)]
+#![feature(rust_2018_preview, crate_visibility_modifier)]
 #![deny(absolute_paths_not_starting_with_crate)]
 
 mod foo {

src/test/ui/rust-2018/edition-lint-nested-empty-paths.fixed

@@ -10,7 +10,7 @@
 
 // run-rustfix
 
-#![feature(rust_2018_preview)]
+#![feature(rust_2018_preview, crate_visibility_modifier)]
 #![deny(absolute_paths_not_starting_with_crate)]
 #![allow(unused_imports)]
 #![allow(dead_code)]

src/test/ui/rust-2018/edition-lint-nested-empty-paths.rs

@@ -10,7 +10,7 @@
 
 // run-rustfix
 
-#![feature(rust_2018_preview)]
+#![feature(rust_2018_preview, crate_visibility_modifier)]
 #![deny(absolute_paths_not_starting_with_crate)]
 #![allow(unused_imports)]
 #![allow(dead_code)]

src/test/ui/rust-2018/edition-lint-nested-paths.fixed

@@ -10,7 +10,7 @@
 
 // run-rustfix
 
-#![feature(rust_2018_preview)]
+#![feature(rust_2018_preview, crate_visibility_modifier)]
 #![deny(absolute_paths_not_starting_with_crate)]
 
 use crate::foo::{a, b};

src/test/ui/rust-2018/edition-lint-nested-paths.rs

@@ -10,7 +10,7 @@
 
 // run-rustfix
 
-#![feature(rust_2018_preview)]
+#![feature(rust_2018_preview, crate_visibility_modifier)]
 #![deny(absolute_paths_not_starting_with_crate)]
 
 use foo::{a, b};