libc/asr: remove unused variables

[Klemens Nanni]

Old diff laying around.

OK?

Index: libc/asr/asr.c
===================================================================
RCS file: /cvs/src/lib/libc/asr/asr.c,v
retrieving revision 1.65
diff -u -p -r1.65 asr.c
--- libc/asr/asr.c      6 Jan 2021 19:54:17 -0000       1.65
+++ libc/asr/asr.c      5 Apr 2021 21:33:06 -0000
@@ -131,8 +131,6 @@ _asr_resolver_done(void *arg)
 static void
 _asr_resolver_done_tp(void *arg)
 {
-       char buf[100];
-       int len;
        struct asr **priv = arg;
        struct asr *asr;