Revert "conf: fix load_for_all_cards() - do not merge the card specific contents"
This reverts commit
eda76146c5653ff1d5bc4b4c53f7a2d5ccc17da2.
Also, revert additional related commits:
Revert "conf: fix possible memory leak in config_file_open() - error path"
This reverts commit
2f59398c83b8065fb9ff58939df3a9187746068e.
Revert "conf: merge card specific contents per file (whole) after parsing"
This reverts commit
a6238053c4fa518b214f99d91a01b96c5ef6e3ca.
Signed-off-by: Jaroslav Kysela <perex@perex.cz>