delete a pointless todo in all_test.go.
address one in rpc/client.go

R=rsc
CC=go-dev
http://go/go-review/1026030
diff --git a/src/pkg/reflect/all_test.go b/src/pkg/reflect/all_test.go
index 45a7625..f2e2f92 100644
--- a/src/pkg/reflect/all_test.go
+++ b/src/pkg/reflect/all_test.go
@@ -349,7 +349,7 @@
 	}
 }
 
-func TestAll(t *testing.T) {	// TODO(r): wrap up better
+func TestAll(t *testing.T) {
 	testType(t, 1, Typeof((int8)(0)), "int8");
 	testType(t, 2, Typeof((*int8)(nil)).(*PtrType).Elem(), "int8");