qcacld-3.0: Remove wlan_hdd_check_sta_ap_concurrent_ch_intf()
wlan_hdd_main.h currently exports
wlan_hdd_check_sta_ap_concurrent_ch_intf()
The function does not exist, so remove the prototype.
Change-Id: I4064a4db0e90705c1d23704e335c2d815ac2a0a6
CRs-Fixed: 2106850