Update language-c.cson

[aln0110]

better

Requirements

• Filling out the template is required. Any pull request that does not include enough information to be reviewed in a timely manner may be closed at the maintainers' discretion.
• All new code requires tests to ensure against regressions

Description of the Change

Removed ::std from cout

We must be able to understand the design of your change from this description. If we can't get a good idea of what the code will be doing from the description here, the pull request may be closed at the maintainers' discretion. Keep in mind that the maintainer reviewing this PR may not be familiar with or have worked with the code here recently, so please walk us through the concepts.

-->

Alternate Designs

Put an option without ::std

Benefits

Possible Drawbacks

Applicable Issues

[ThatXliner]

I guess so. Most people would have put

using namespace std;

Anyway