fix(CMake): enable catkin_lint again

Author: MatthijsBurgh

CMakeLists.txt

@@ -98,8 +98,8 @@ install(
 #                                           Testing
 # ------------------------------------------------------------------------------------------------
 if (CATKIN_ENABLE_TESTING)
-  #find_package(catkin_lint_cmake REQUIRED)
-  #catkin_add_catkin_lint_test("-W2 --ignore HEADER_OUTSIDE_PACKAGE_INCLUDE_PATH")
+  find_package(catkin_lint_cmake REQUIRED)
+  catkin_add_catkin_lint_test("-W2 --ignore HEADER_OUTSIDE_PACKAGE_INCLUDE_PATH")
 
   # Utils unit tests (no models needed)
   catkin_add_gtest(yolo_test test/yolo_test.cpp)