Cleanup feature gates.

src/test/ui/pub/pub-restricted-error.rs

@@ -1,5 +1,3 @@
-#![feature(pub_restricted)]
-
 struct Bar(pub(()));
 
 struct Foo {

src/test/ui/pub/pub-restricted-error.stderr

@@ -1,5 +1,5 @@
 error: expected identifier, found `(`
-  --> $DIR/pub-restricted-error.rs:6:16
+  --> $DIR/pub-restricted-error.rs:4:16
    |
 LL |     pub(crate) () foo: usize,
    |                ^ expected identifier

src/test/ui/pub/pub-restricted.rs

@@ -1,5 +1,3 @@
-#![feature(pub_restricted)]
-
 mod a {}
 
 pub (a) fn afn() {} //~ incorrect visibility restriction

src/test/ui/pub/pub-restricted.stderr

@@ -1,5 +1,5 @@
 error[E0704]: incorrect visibility restriction
-  --> $DIR/pub-restricted.rs:5:6
+  --> $DIR/pub-restricted.rs:3:6
    |
 LL | pub (a) fn afn() {}
    |      ^ help: make this visible only to module `a` with `in`: `in a`
@@ -10,7 +10,7 @@ LL | pub (a) fn afn() {}
            `pub(in path::to::module)`: visible only on the specified path
 
 error[E0704]: incorrect visibility restriction
-  --> $DIR/pub-restricted.rs:6:6
+  --> $DIR/pub-restricted.rs:4:6
    |
 LL | pub (b) fn bfn() {}
    |      ^ help: make this visible only to module `b` with `in`: `in b`
@@ -21,7 +21,7 @@ LL | pub (b) fn bfn() {}
            `pub(in path::to::module)`: visible only on the specified path
 
 error[E0704]: incorrect visibility restriction
-  --> $DIR/pub-restricted.rs:7:6
+  --> $DIR/pub-restricted.rs:5:6
    |
 LL | pub (crate::a) fn cfn() {}
    |      ^^^^^^^^ help: make this visible only to module `crate::a` with `in`: `in crate::a`
@@ -32,7 +32,7 @@ LL | pub (crate::a) fn cfn() {}
            `pub(in path::to::module)`: visible only on the specified path
 
 error[E0704]: incorrect visibility restriction
-  --> $DIR/pub-restricted.rs:24:14
+  --> $DIR/pub-restricted.rs:22:14
    |
 LL |         pub (a) invalid: usize,
    |              ^ help: make this visible only to module `a` with `in`: `in a`
@@ -43,7 +43,7 @@ LL |         pub (a) invalid: usize,
            `pub(in path::to::module)`: visible only on the specified path
 
 error[E0704]: incorrect visibility restriction
-  --> $DIR/pub-restricted.rs:33:6
+  --> $DIR/pub-restricted.rs:31:6
    |
 LL | pub (xyz) fn xyz() {}
    |      ^^^ help: make this visible only to module `xyz` with `in`: `in xyz`
@@ -54,7 +54,7 @@ LL | pub (xyz) fn xyz() {}
            `pub(in path::to::module)`: visible only on the specified path
 
 error[E0742]: visibilities can only be restricted to ancestor modules
-  --> $DIR/pub-restricted.rs:25:17
+  --> $DIR/pub-restricted.rs:23:17
    |
 LL |         pub (in x) non_parent_invalid: usize,
    |                 ^