Remove addition of text before commit info

[peregrineshahin]

the addition of "LTC:" has been overwritten by the green highlighting feature which leaves one source of truth to edit it if needed.

currently this looks old way to catch LTCs, here is a conflict of green highlighting and the added text https://tests.stockfishchess.org/tests/view/65f0ca4f0ec64f0526c46a67