remove uselessly wrapped ?s. (clippy::meedless_question_mark

let x = Some(3);

let y = Some(x?);
can just be:
let y = x

crates/hir_expand/src/lib.rs

@@ -475,7 +475,7 @@ fn original_range_opt(
     let single = skip_trivia_token(node.value.first_token()?, Direction::Next)?
         == skip_trivia_token(node.value.last_token()?, Direction::Prev)?;
 
-    Some(node.value.descendants().find_map(|it| {
+    node.value.descendants().find_map(|it| {
         let first = skip_trivia_token(it.first_token()?, Direction::Next)?;
         let first = ascend_call_token(db, &expansion, node.with_value(first))?;
 
@@ -487,7 +487,7 @@ fn original_range_opt(
         }
 
         Some(first.with_value(first.value.text_range().cover(last.value.text_range())))
-    })?)
+    })
 }
 
 fn ascend_call_token(

crates/proc_macro_api/src/process.rs

@@ -154,5 +154,5 @@ fn send_request(
     req: Request,
 ) -> io::Result<Option<Response>> {
     req.write(&mut writer)?;
-    Ok(Response::read(&mut reader)?)
+    Response::read(&mut reader)
 }

crates/rust-analyzer/src/handlers.rs

@@ -1134,7 +1134,7 @@ pub(crate) fn handle_code_lens_resolve(
 ) -> Result<CodeLens> {
     let annotation = from_proto::annotation(&snap, code_lens)?;
 
-    Ok(to_proto::code_lens(&snap, snap.analysis.resolve_annotation(annotation)?)?)
+    to_proto::code_lens(&snap, snap.analysis.resolve_annotation(annotation)?)
 }
 
 pub(crate) fn handle_document_highlight(