Removed dead code.

testbench/tests/hello_world/Makefile

@@ -1,11 +0,0 @@
-export TEST = hello_world
-export OFILES = crt0.o hello_world.o
-export BUILD_PATH = $(shell pwd)/snapshots/default
-
-program.hex:
-	$(MAKE) -e -f $(RV_ROOT)/tools/make.common $(BUILD_PATH)/defines.h
-	$(MAKE) -e -f $(RV_ROOT)/tools/make.common $@
-
-.DEFAULT:
-	$(MAKE) -e program.hex
-	$(MAKE) -e -f $(RV_ROOT)/tools/make.common $@

testbench/tests/hello_world/hello_world.s

@@ -1,42 +0,0 @@
-// SPDX-License-Identifier: Apache-2.0
-// Copyright 2019 Western Digital Corporation or its affiliates.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-//
-
-// Assembly code for Hello World
-// Not using only ALU ops for creating the string
-
-
-#include "defines.h"
-
-.section .text
-.global main
-
-main:
-    li x3, RV_SERIALIO
-    la x4, hw_data
-
-loop:
-   lb x5, 0(x4)
-   sb x5, 0(x3)
-   addi x4, x4, 1
-   bnez x5, loop
-   ret
-
-.data
-hw_data:
-.ascii "----------------------------------\n"
-.ascii "Hello World from SweRV EL2 @WDC !!\n"
-.ascii "----------------------------------\n"
-.byte 0