Fix duplicate symbols issues.

Index: src/cbm2/cbm2-stubs.c
--- src/cbm2/cbm2-stubs.c.orig
+++ src/cbm2/cbm2-stubs.c
@@ -71,11 +71,3 @@ int parallel_cable_cpu_resources_init(void)
     return -1;
 }
 
-int rsuser_cmdline_options_init(void)
-{
-    return -1;
-}
-int rsuser_resources_init(void)
-{
-    return -1;
-}
