Rollup merge of #121764 - Zoxc:incr-sess-no-source, r=oli-obk

Make incremental sessions identity no longer depend on the crate names provided by source code

This makes incremental sessions identity no longer depend on the crate names provided by source code, implementing
https://github.com/rust-lang/compiler-team/issues/726.

r? ````@oli-obk````

1 files changed, 0 insertions, 9 deletions

diff --git a/compiler/rustc_interface/src/errors.rs b/compiler/rustc_interface/src/errors.rs
index a9ab2720d89..29294003b8f 100644
--- a/compiler/rustc_interface/src/errors.rs
+++ b/compiler/rustc_interface/src/errors.rs
@@ -1,7 +1,5 @@
 use rustc_macros::Diagnostic;
-use rustc_session::config::CrateType;
 use rustc_span::{Span, Symbol};
-use rustc_target::spec::TargetTriple;
 
 use std::io;
 use std::path::Path;
@@ -91,13 +89,6 @@ pub struct FailedWritingFile<'a> {
 pub struct ProcMacroCratePanicAbort;
 
 #[derive(Diagnostic)]
-#[diag(interface_unsupported_crate_type_for_target)]
-pub struct UnsupportedCrateTypeForTarget<'a> {
-    pub crate_type: CrateType,
-    pub target_triple: &'a TargetTriple,
-}
-
-#[derive(Diagnostic)]
 #[diag(interface_multiple_output_types_adaption)]
 pub struct MultipleOutputTypesAdaption;