Cleanup follow-up for #6344: remove accidental root file `10`

[BABTUNA]

Summary

PR #6344 (fix: segmented_control indicator renders for >10 items) currently includes an accidental root-level file named 10 (empty/no-op).

Why this should be fixed

• It is unrelated to segmented control behavior.
• It introduces repository noise and can confuse future diffs/history.

Proposed fix

• Remove file 10 from the PR branch before merge.

Reference

• PR: fix: segmented_control indicator renders for >10 items #6344

[linear]

ENG-9409