Remove deprecated security utilities (#79)

Signed-off-by: Alejandro Hernandez Cordero <[email protected]>

Author: ahcorde

rmw_dds_common/CMakeLists.txt

@@ -38,7 +38,6 @@ add_library(${PROJECT_NAME}_library
   src/gid_utils.cpp
   src/graph_cache.cpp
   src/qos.cpp
-  src/security.cpp
   src/time_utils.cpp)
 
 set_target_properties(${PROJECT_NAME}_library
@@ -120,13 +119,6 @@ if(BUILD_TESTING)
     target_link_libraries(test_time_utils ${PROJECT_NAME}_library)
   endif()
 
-  ament_add_gmock(test_security test/test_security.cpp)
-  if(TARGET test_security)
-    target_link_libraries(test_security
-      ${PROJECT_NAME}_library
-      rcpputils::rcpputils)
-  endif()
-
   add_performance_test(benchmark_graph_cache test/benchmark/benchmark_graph_cache.cpp)
   if(TARGET benchmark_graph_cache)
     target_link_libraries(benchmark_graph_cache ${PROJECT_NAME}_library rosidl_runtime_c::rosidl_runtime_c)