Remove Mini label from Trinitite post

[yairfrog]

Summary

• Drop the "Mini" label from the Shai-Hulud Trinitite post excerpt, lede, loader section, and conclusions so the write-up calls this a Shai-Hulud wave.

Test plan

• Confirm the excerpt no longer says "Mini Shai-Hulud"
• Confirm the opening paragraph, binding.gyp section, loader section, and conclusions match the same wording
• Confirm no image paths or IOCs changed