qcacld-3.0: Remove unused sme_filter_scan_results()

SME function sme_filter_scan_results() is unused, so remove it. Note
that the underlying CSR function, csr_scan_filter_results(), is still
used, invoked from other places within SME.

Change-Id: I19ad6bc45d196500ea77c89c50830224d1063aa4
CRs-Fixed: 2353528
2 files changed