revert nightly rustfmt formatting that accidentally slipped in

cf. https://github.com/rust-lang/rust/pull/99603
cf. https://github.com/rust-lang/rust-analyzer/pull/12871#discussion_r928816339

crates/hir-def/src/import_map.rs

@@ -167,7 +167,11 @@ fn collect_import_map(db: &dyn DefDatabase, krate: CrateId) -> ImportMap {
 
         let visible_items = mod_data.scope.entries().filter_map(|(name, per_ns)| {
             let per_ns = per_ns.filter_visibility(|vis| vis == Visibility::Public);
-            if per_ns.is_none() { None } else { Some((name, per_ns)) }
+            if per_ns.is_none() {
+                None
+            } else {
+                Some((name, per_ns))
+            }
         });
 
         for (name, per_ns) in visible_items {

crates/hir-def/src/nameres.rs

@@ -334,7 +334,11 @@ impl DefMap {
 
     pub(crate) fn crate_root(&self, db: &dyn DefDatabase) -> ModuleId {
         self.with_ancestor_maps(db, self.root, &mut |def_map, _module| {
-            if def_map.block.is_none() { Some(def_map.module_id(def_map.root)) } else { None }
+            if def_map.block.is_none() {
+                Some(def_map.module_id(def_map.root))
+            } else {
+                None
+            }
         })
         .expect("DefMap chain without root")
     }

crates/proc-macro-test/build.rs

@@ -62,8 +62,7 @@ fn main() {
         Command::new(toolchain::cargo())
     };
 
-    cmd
-        .current_dir(&staging_dir)
+    cmd.current_dir(&staging_dir)
         .args(&["build", "-p", "proc-macro-test-impl", "--message-format", "json"])
         // Explicit override the target directory to avoid using the same one which the parent
         // cargo is using, or we'll deadlock.