Revert "Fix patch syntax error"

This reverts commit d2549134a9.

enable-ra-for-riscv.patch

@@ -1,17 +1,16 @@
 diff --git a/src/bootstrap/dist.rs b/src/bootstrap/dist.rs
-index 12585e80e..360b7b6c7 100644
+index 12585e80e..f7b882880 100644
 --- a/src/bootstrap/dist.rs
 +++ b/src/bootstrap/dist.rs
-@@ -1086,12 +1086,6 @@ impl Step for RustAnalyzer {
+@@ -1085,11 +1085,6 @@ impl Step for RustAnalyzer {
+     fn run(self, builder: &Builder<'_>) -> Option<GeneratedTarball> {
          let compiler = self.compiler;
          let target = self.target;
- 
+-
 -        if target.contains("riscv64") {
 -            // riscv64 currently has an LLVM bug that makes rust-analyzer unable
 -            // to build. See #74813 for details.
 -            return None;
--        }
--
+         }
+ 
          let rust_analyzer = builder
-             .ensure(tool::RustAnalyzer { compiler, target })
-             .expect("rust-analyzer always builds");