Summary:
This removes a bunch of unneeded files from the pre-packed headers.

With the space savings, more linux headers are included in the base image.

This should make us more reliable across Linux versions.

Test Plan: Manual.

Reviewers: #engineering, zasgar, yzhao

Reviewed By: #engineering, zasgar

JIRA Issues: PP-1864, PP-1863

Differential Revision: https://phab.corp.pixielabs.ai/D4622

GitOrigin-RevId: ffb9cc3aea44b678dcff594b7edec56430e522a3