Make all formatters working - task list

[destogl]

• ament_cppcheck - done in Change extension of header files. #24

  • rename *.h files into *.hpp files
  • enable in pre-commit config
  • enable in ROS-linters

• ament_cpplint

  • exchange #pragma once if #ifndef ... header guard (needs discussion)
    • remove build/header_guard flag from the ament_cpplint configuration
    • remove from ROS-linters
  • Use " instead <> around private headers (needs discussion) - already used in some places, e.g., smacc_updatable.h
    • remove build/include_order flag from config
    • remove from ROS-linters
  • Do not use namespace using-directives. Use using-declarations instead.
    • remove build/namespaces flag from config
    • remove from ROS-linters
  • Replace use of unsigned long with something else (uint64?)
    • remove runtime/int flag from config
    • remove from ROS-linters

[brettpac]

Ok, so let's just do the uint64 thing and kill this ticket please.

[destogl]

or we can simply leave it open for some better times.