Change Ib9cdaf7e8aa019002b9fc02d8ffacfcdb28fc121 ("qcacld-3.0:
Remove sme_ipa_uc_stat_request()") removed the last client of
wma_ipa_uc_stat_request(). Since this function is now obsolete,
remove it.
Change-Id: I965ccad2e94246c0d7d57e85c1fa433eeb5c136e
CRs-Fixed: 2371196