ath11k: remove define ATH11K_QMI_DEFAULT_CAL_FILE_NAME

It's just a duplicate of ATH11K_DEFAULT_CAL_FILE.

Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/1592316055-24958-13-git-send-email-kvalo@codeaurora.org