net-proxy/clash-rs: use upstream patch

Signed-off-by: jinqiang zhang <jinqiang@zhang.my>

net-proxy/clash-rs/files/clash-rs-0.7.6-fix-unstable-features.patch

@@ -1,25 +1,13 @@
-From 20202495654806df0baf876412fbdb474c66abf9 Mon Sep 17 00:00:00 2001
-From: jinqiang zhang <jinqiang@zhang.my>
-Date: Sun, 2 Mar 2025 10:00:07 +0000
-Subject: [PATCH] fix unstable feature unbounded_shifts compile
-
-https://github.com/microcai/gentoo-zh/issues/6264#issuecomment-2692637708
----
- clash_lib/src/lib.rs | 1 +
- 1 file changed, 1 insertion(+)
-
 diff --git a/clash_lib/src/lib.rs b/clash_lib/src/lib.rs
-index ef4898b..64e4cab 100644
+index ef4898b..2652510 100644
 --- a/clash_lib/src/lib.rs
 +++ b/clash_lib/src/lib.rs
-@@ -1,6 +1,7 @@
+@@ -1,6 +1,8 @@
++#![feature(cfg_version)]
  #![feature(ip)]
  #![feature(sync_unsafe_cell)]
  #![feature(let_chains)]
-+#![feature(unbounded_shifts)]
++#![cfg_attr(not(version("1.86.0")), feature(unbounded_shifts))]
  
  #[macro_use]
  extern crate anyhow;
--- 
-2.48.1
-