Revert "Rollup merge of #82296 - spastorino:pubrules, r=nikomatsakis"

This reverts commit e2561c58a4, reversing
changes made to 2982ba50fc.

src/test/ui/macros/macro-export-on-modularized-macros.rs

@@ -1,11 +0,0 @@
-#![feature(decl_macro)]
-#![feature(pub_macro_rules)]
-
-#[macro_export]
-macro m1() {} //~ ERROR `#[macro_export]` cannot be used on `macro` items
-
-#[macro_export]
-pub macro_rules! m2 { () => {} }
-//~^ ERROR `#[macro_export]` cannot be used on `macro_rules` with `pub`
-
-fn main() {}

src/test/ui/macros/macro-export-on-modularized-macros.stderr

@@ -1,14 +0,0 @@
-error: `#[macro_export]` cannot be used on `macro` items
-  --> $DIR/macro-export-on-modularized-macros.rs:5:1
-   |
-LL | macro m1() {}
-   | ^^^^^^^^^^^^^
-
-error: `#[macro_export]` cannot be used on `macro_rules` with `pub`
-  --> $DIR/macro-export-on-modularized-macros.rs:8:1
-   |
-LL | pub macro_rules! m2 { () => {} }
-   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-
-error: aborting due to 2 previous errors
-

src/test/ui/macros/pub-macro-rules-fail.rs

@@ -1,28 +0,0 @@
-#![feature(pub_macro_rules)]
-
-#[macro_use]
-mod m {
-    pub macro_rules! mac { () => {} }
-
-    // `pub` `macro_rules` cannot be redefined in the same module.
-    pub macro_rules! mac { () => {} } //~ ERROR the name `mac` is defined multiple times
-
-    pub(self) macro_rules! private_mac { () => {} }
-}
-
-const _: () = {
-    pub macro_rules! block_mac { () => {} }
-};
-
-mod n {
-    // Scope of `pub` `macro_rules` is not extended by `#[macro_use]`.
-    mac!(); //~ ERROR cannot find macro `mac` in this scope
-
-    // `pub` `macro_rules` doesn't put the macro into the root module, unlike `#[macro_export]`.
-    crate::mac!(); //~ ERROR failed to resolve: maybe a missing crate `mac`
-    crate::block_mac!(); //~ ERROR failed to resolve: maybe a missing crate `block_mac`
-
-    crate::m::private_mac!(); //~ ERROR macro `private_mac` is private
-}
-
-fn main() {}

src/test/ui/macros/pub-macro-rules-fail.stderr

@@ -1,48 +0,0 @@
-error[E0428]: the name `mac` is defined multiple times
-  --> $DIR/pub-macro-rules-fail.rs:8:5
-   |
-LL |     pub macro_rules! mac { () => {} }
-   |     -------------------- previous definition of the macro `mac` here
-...
-LL |     pub macro_rules! mac { () => {} }
-   |     ^^^^^^^^^^^^^^^^^^^^ `mac` redefined here
-   |
-   = note: `mac` must be defined only once in the macro namespace of this module
-
-error[E0433]: failed to resolve: maybe a missing crate `mac`?
-  --> $DIR/pub-macro-rules-fail.rs:22:12
-   |
-LL |     crate::mac!();
-   |            ^^^ maybe a missing crate `mac`?
-
-error[E0433]: failed to resolve: maybe a missing crate `block_mac`?
-  --> $DIR/pub-macro-rules-fail.rs:23:12
-   |
-LL |     crate::block_mac!();
-   |            ^^^^^^^^^ maybe a missing crate `block_mac`?
-
-error: cannot find macro `mac` in this scope
-  --> $DIR/pub-macro-rules-fail.rs:19:5
-   |
-LL |     mac!();
-   |     ^^^
-   |
-   = note: consider importing this macro:
-           m::mac
-
-error[E0603]: macro `private_mac` is private
-  --> $DIR/pub-macro-rules-fail.rs:25:15
-   |
-LL |     crate::m::private_mac!();
-   |               ^^^^^^^^^^^ private macro
-   |
-note: the macro `private_mac` is defined here
-  --> $DIR/pub-macro-rules-fail.rs:10:5
-   |
-LL |     pub(self) macro_rules! private_mac { () => {} }
-   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-
-error: aborting due to 5 previous errors
-
-Some errors have detailed explanations: E0428, E0433, E0603.
-For more information about an error, try `rustc --explain E0428`.

src/test/ui/macros/pub-macro-rules.rs

@@ -1,20 +0,0 @@
-// check-pass
-
-#![feature(pub_macro_rules)]
-
-mod m {
-    // `pub` `macro_rules` can be used earlier in item order than they are defined.
-    foo!();
-
-    pub macro_rules! foo { () => {} }
-
-    // `pub(...)` works too.
-    pub(super) macro_rules! bar { () => {} }
-}
-
-// `pub` `macro_rules` are available by module path.
-m::foo!();
-
-m::bar!();
-
-fn main() {}