Revert "Port `#[allow_internal_unsafe]` to the new attribute system"

This reverts commit 4f7a6ace9e2f2192af7b5d32f4b1664189e0e143.

1 files changed, 0 insertions, 8 deletions

diff --git a/compiler/rustc_attr_parsing/src/attributes/macro_attrs.rs b/compiler/rustc_attr_parsing/src/attributes/macro_attrs.rs
index 0779248e1a9..886f7a889d3 100644
--- a/compiler/rustc_attr_parsing/src/attributes/macro_attrs.rs
+++ b/compiler/rustc_attr_parsing/src/attributes/macro_attrs.rs
@@ -113,11 +113,3 @@ impl<S: Stage> AttributeParser<S> for MacroUseParser {
         Some(AttributeKind::MacroUse { span: self.first_span?, arguments: self.state })
     }
 }
-
-pub(crate) struct AllowInternalUnsafeParser;
-
-impl<S: Stage> NoArgsAttributeParser<S> for AllowInternalUnsafeParser {
-    const PATH: &[Symbol] = &[sym::allow_internal_unsafe];
-    const ON_DUPLICATE: OnDuplicate<S> = OnDuplicate::Ignore;
-    const CREATE: fn(Span) -> AttributeKind = |span| AttributeKind::AllowInternalUnsafe(span);
-}