ANDROID: iwl7000: mvm: Remove iwl_mvm_mld_change_vif_links

As part of removal of EMLSR support from mvm, remove
iwl_mvm_mld_change_vif_links as it is no longer required
for non-mlo operations.

Signed-off-by: Nidhish A N <nidhish.a.n@intel.com>
Change-Id: Icaf4f4d6b9008e12310f408cfef7f35643f27ca5
iwl7000-tree: f4cec51cc491825cd49aede03c596f8c5d832a2a