nak: Remove annotations before calc_instr_deps()

Otherwise the annotations might throw off latency information which
needs exact instruction counts.

Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/31665>

src/nouveau/compiler/nak/api.rs

@@ -426,6 +426,9 @@ pub extern "C" fn nak_compile_shader(
     } else {
         pass!(s, opt_crs);
     }
+
+    s.remove_annotations();
+
     pass!(s, calc_instr_deps);
 
     s.gather_info();
@@ -435,8 +438,6 @@ pub extern "C" fn nak_compile_shader(
         write!(asm, "{}", s).expect("Failed to dump assembly");
     }
 
-    s.remove_annotations();
-
     let code = sm.encode_shader(&s);
     let bin =
         Box::new(ShaderBin::new(sm.as_ref(), &s.info, fs_key, code, &asm));