Don't let cmake handle test data download, unpack and convert

Index: rocSPARSE-rocm-5.0.2/clients/tests/CMakeLists.txt
===================================================================
--- rocSPARSE-rocm-5.0.2.orig/clients/tests/CMakeLists.txt
+++ rocSPARSE-rocm-5.0.2/clients/tests/CMakeLists.txt
@@ -23,35 +23,6 @@
 
 find_package(GTest 1.10.0 REQUIRED)
 
-#
-# Client matrices.
-#
-
-if(NOT EXISTS "${CMAKE_MATRICES_DIR}")
-  #
-  # Download.
-  #
-  set(CMAKE_MATRICES_DIR ${PROJECT_BINARY_DIR}/matrices CACHE STRING "Matrices directory.")
-
-  if(NOT TARGET rocsparse)
-    set(CONVERT_SOURCE ${CMAKE_SOURCE_DIR}/../deps/convert.cpp CACHE STRING "Convert tool mtx2csr.")
-    include(${CMAKE_SOURCE_DIR}/../cmake/ClientMatrices.cmake)
-  else()
-   set(CONVERT_SOURCE ${CMAKE_SOURCE_DIR}/deps/convert.cpp CACHE STRING "Convert tool mtx2csr.")
-    include(${CMAKE_SOURCE_DIR}/cmake/ClientMatrices.cmake)
-  endif()
-
-else()
-
-  #
-  # Copy.
-  #
-  if(NOT CMAKE_MATRICES_DIR STREQUAL "${PROJECT_BINARY_DIR}/matrices")
-    execute_process(COMMAND cp -r ${CMAKE_MATRICES_DIR} ${PROJECT_BINARY_DIR}/matrices)
-  endif()
-
-endif()
-
 set(ROCSPARSE_TEST_SOURCES
   test_axpby.cpp
   test_axpyi.cpp