remove build test in cmake of follower

Signed-off-by: Hyungyu Kim <[email protected]>

Author: GyuH13

turtlebot3_follower/CMakeLists.txt

@@ -42,16 +42,4 @@ install(
   DESTINATION share/${PROJECT_NAME}
 )
 
-if(BUILD_TESTING)
-  find_package(ament_lint_auto REQUIRED)
-  # the following line skips the linter which checks for copyrights
-  # comment the line when a copyright and license is added to all source files
-  set(ament_cmake_copyright_FOUND TRUE)
-  # the following line skips cpplint (only works in a git repo)
-  # comment the line when this package is in a git repo and when
-  # a copyright and license is added to all source files
-  set(ament_cmake_cpplint_FOUND TRUE)
-  ament_lint_auto_find_test_dependencies()
-endif()
-
 ament_package()