Remove unnecessary const argument

src/shims/unix/linux_like/syscall.rs

@@ -16,7 +16,7 @@ pub fn syscall<'tcx>(
 ) -> InterpResult<'tcx> {
     // We do not use `check_shim` here because `syscall` is variadic. The argument
     // count is checked below.
-    let ([op], var) = ecx.check_shim_variadic::<1>(abi, Conv::C, link_name, "syscall", args)?;
+    let ([op], var) = ecx.check_shim_variadic(abi, Conv::C, link_name, "syscall", args)?;
     // The syscall variadic function is legal to call with more arguments than needed,
     // extra arguments are simply ignored. The important check is that when we use an
     // argument, we have to also check all arguments *before* it to ensure that they