message: clean up unnecessary find_package calls
  They are already handled in hip.cmake
diff: @@ -32,11 +32,6 @@ function(ginkgo_benchmark_hipsparse_linops type def)
  set_target_properties(hipsparse_linops_${type} PROPERTIES COMPILE_FLAGS ${HIP_CXX_FLAGS})
  # use Thrust C++ device just for compilation, we don't use thrust::complex in the benchmarks
  target_compile_definitions(hipsparse_linops_${type} PUBLIC -DTHRUST_DEVICE_SYSTEM=THRUST_DEVICE_SYSTEM_CPP)
  - find_package(HIP REQUIRED)
  - find_package(hipblas REQUIRED)
  - find_package(hiprand REQUIRED)
  - find_package(hipsparse REQUIRED)
  - find_package(rocrand REQUIRED)
  target_include_directories(hipsparse_linops_${type} SYSTEM PRIVATE
  ${HSA_HEADER} ${HIP_INCLUDE_DIRS}
  ${HIPBLAS_INCLUDE_DIRS} ${HIPSPARSE_INCLUDE_DIRS})
  @@ -127,7 +122,6 @@ if (GINKGO_BUILD_HIP)
  add_library(hip_timer utils/hip_timer.hip.cpp)
  EXECUTE_PROCESS(COMMAND ${HIP_PATH}/bin/hipconfig --cpp_config OUTPUT_VARIABLE HIP_CXX_FLAGS)
  set_target_properties(hip_timer PROPERTIES COMPILE_FLAGS ${HIP_CXX_FLAGS})
  - find_package(HIP REQUIRED)
  target_include_directories(hip_timer SYSTEM PRIVATE ${HSA_HEADER} ${HIP_INCLUDE_DIRS})
  target_link_libraries(hip_timer ginkgo)
  endif()
  