wifi: iwlwifi: mld: Revert "wifi: iwlwifi: mld: add kunit test for emlsr with bt on"

Due to a hw bug, this feature won't be enabled. Revert its tests.
This reverts commit f7cc80b8 ("wifi: iwlwifi: mld: add kunit test
for emlsr with bt on")

Reviewed-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://patch.msgid.link/20250711183056.5fdf77497ad2.I1160f1dcff734cb42baa8fbf8aac121a1a24a4c5@changeid