Removing TransferBench from tools (#632)

Point to new TransferBench repo

[ROCm/rccl commit: bd7d589446]

projects/rccl/tools/TransferBench/README.md

@@ -2,13 +2,4 @@
 
 TransferBench is a simple utility capable of benchmarking simultaneous copies between user-specified devices (CPUs/GPUs).
 
-## Requirements
-
-1. ROCm stack installed on the system (HIP runtime)
-2. libnuma installed on system
-
-## Building
-  To build TransferBench:
-* `make`
-
-  If ROCm is installed in a folder other than `/opt/rocm/`, set ROCM_PATH appropriately
+TransferBench can now be found at: https://github.com/ROCmSoftwarePlatform/TransferBench