qcacld-3.0: Remove obsolete limWPSPBCTimeout() prototype

LIM exposes a prototype for limWPSPBCTimeout(), but the actual
function no longer exists. Since this is an obsolete prototype,
remove it.

Change-Id: I31cbeae9dfa9fb561506bbd5ca16771ec9c566d8
CRs-Fixed: 2374290

core/mac/src/pe/lim/lim_types.h

@@ -920,7 +920,6 @@ void
 lim_send_vdev_restart(struct mac_context *mac, struct pe_session *pe_session,
 		      uint8_t sessionId);
 
-void limWPSPBCTimeout(struct mac_context *mac, struct pe_session *pe_session);
 void lim_wpspbc_close(struct mac_context *mac, struct pe_session *pe_session);
 
 #define LIM_WPS_OVERLAP_TIMER_MS                 10000