[496 Battery module incorrectly trims whitespace]

[ghost]

#496

• Added dependencies for arch-based systems in the README.md;

• Removed the trim functions in the output.c, it was only used by print_battery_info (dead code);
• Removed the forced trimming in print_battery_info;
• Modifed the expected output of the 014 test. There is an space between
  the two last %parameters, the expected output must reflect this space
  character;
• print_eth_info and print_wireless_info got modifed by running
  clang-format -i **/*.[ch] (clang-format version 16.0.3) as specified
  in the CONTRIBUTING.md file;

Note:
I believe the initial intent of the trimming was to remove spaces due
to empty values such as in this example: %remaining having no value
when the battery is at 100%.

It creates a tailing space, which was in the formatting, made by the user,
to separate the last two parameters.

format: ... %status %remaining
result: ... [status value][space][empty string here due to no value]

Although, even with the trimming, an empty value right in the middle of
a set of %parameters will still make empty spaces.

I tested the claim other modules not trimning and it was the true. In
other words, the trimming did not fix anything and it was causing this
module to behave abnormally.