xdrgen: Remove tracepoint call site

This tracepoint was a "note to self" and is not operational. It is
added only to client-side code, which so far we haven't needed. It
will cause immediate breakage once we start generating client code,
though, so remove it now.

Signed-off-by: Chuck Lever <chuck.lever@oracle.com>

Author: chucklever

tools/net/sunrpc/xdrgen/templates/C/program/decoder/result.j2

@@ -13,10 +13,8 @@ static int {{ program }}_xdr_dec_{{ result }}(struct rpc_rqst *req,
 
 	if (!xdrgen_decode_{{ result }}(xdr, result))
 		return -EIO;
-	if (result->stat != nfs_ok) {
-		trace_nfs_xdr_status(xdr, (int)result->stat);
+	if (result->stat != nfs_ok)
 		return {{ program }}_stat_to_errno(result->stat);
-	}
 {% endif %}
 	return 0;
 }