Remove unsupported inline comment from .gitignore

[BasPH]

Description

.gitignore files do not support inline comments, these will be interpreted as a pattern. Therefore, the .DS_Store file wasn't ignored in Astro projects. This PR removes the comment which ignores .DS_Store files.

🎟 Issue(s)

Related #XXX

🧪 Functional Testing

List the functional testing steps to confirm this feature or fix.

📸 Screenshots

Add screenshots to illustrate the validity of these changes.

📋 Checklist

• Rebased from the main (or release if patching) branch (before testing)
• Ran make test before taking out of draft
• Ran make lint before taking out of draft
• Added/updated applicable tests
• Tested against Astro-API (if necessary).
• Tested against Houston-API and Astronomer (if necessary).
• Communicated to/tagged owners of respective clients potentially impacted by these changes.
• Updated any related documentation

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (d88204d) 85.94% compared to head (582cf6a) 85.94%.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #1498   +/-   ##
=======================================
  Coverage   85.94%   85.94%           
=======================================
  Files         115      115           
  Lines       15053    15053           
=======================================
  Hits        12938    12938           
  Misses       1272     1272           
  Partials      843      843           

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