Remove DAG in WITHOUT small_callee test

Author: winstonallo

tests/assembly-llvm/reg-struct-return.rs

@@ -41,8 +41,8 @@ mod Small {
         // WITH: retl
 
         // WITHOUT-LABEL: small_callee
-        // WITHOUT-DAG: movl 4(%esp), %e{{.*}}
-        // WITHOUT-DAG: movw $10794, (%e{{.*}})
+        // WITHOUT: movl 4(%esp), %e{{.*}}
+        // WITHOUT: movw $10794, (%e{{.*}})
         // WITHOUT: retl $4
         SmallStruct { a: 42, b: 42 }
     }