If REMOVE_ANSI_COLOR_CODES_FROM_OUTPUT is set to true, remove ANSI color
codes from linters stdout and stderr files, and from the Super-linter
log file.
Close#5540
Move LANGUAGE_ARRAY definition and initialization to a dedicated file
(globals/languages.sh) so we can source it in different places without
having to source the whole linter.sh
- Remove the previous summary file is present to avoid showing stale
contents from old summaries.
- Extract the logic to write summary heading and lines to dedicated
functions in output.sh to make it easier adding new formats in the
future.
