Removed GPU_IB (#59)

src/rocshmem.cpp

@@ -36,10 +36,7 @@
 
 #include "backend_bc.hpp"
 #include "context_incl.hpp"
-#ifdef USE_GPU_IB
-#include "gpu_ib/backend_ib.hpp"
-#include "gpu_ib/context_ib_tmpl_host.hpp"
-#elif defined(USE_RO)
+#ifdef USE_RO
 #include "reverse_offload/backend_ro.hpp"
 #include "reverse_offload/context_ro_tmpl_host.hpp"
 #else
@@ -86,10 +83,7 @@ rocshmem_ctx_t ROCSHMEM_HOST_CTX_DEFAULT;
 
   rocshmem_env_config_init();
 
-#ifdef USE_GPU_IB
-  CHECK_HIP(hipHostMalloc(&backend, sizeof(GPUIBBackend)));
-  backend = new (backend) GPUIBBackend(comm);
-#elif defined(USE_RO)
+#ifdef USE_RO
   CHECK_HIP(hipHostMalloc(&backend, sizeof(ROBackend)));
   backend = new (backend) ROBackend(comm);
 #else