Revert "fix: UDP-logged QSOs adopt the active profile's station callsign (Club Log upload blocked)"

This reverts commit f0afdcc498.

app.go

@@ -9567,22 +9567,6 @@ func (a *App) LogUDPLoggedADIF(adifText string) (int64, error) {
 	// MY_RIG / MY_ANTENNA) from the active profile. Without this a UDP /
 	// WSJT-X auto-logged QSO carried none of the operator's own data.
 	a.applyStationDefaults(&q, true)
-	// Live UDP logging belongs to the STATION you're operating in OpsLog right now:
-	// adopt the active profile's callsign even when the sender (MSHV/WSJT-X, often
-	// configured with a personal call) stamped a different STATION_CALLSIGN. Without
-	// this, a special-event/contest QSO (profile TM74TFR) kept MSHV's F4BPO and was
-	// then BLOCKED from uploading to the TM74TFR Club Log logbook by the mismatch
-	// guard. Portable variants of the same call are already fine, so only override
-	// when the base call genuinely differs.
-	if a.profiles != nil {
-		if p, err := a.profiles.Active(a.ctx); err == nil {
-			pc := strings.ToUpper(strings.TrimSpace(p.Callsign))
-			if pc != "" && !extsvc.SameBaseCall(q.StationCallsign, pc) {
-				applog.Printf("udp log: station callsign %q → active profile %q", q.StationCallsign, pc)
-				q.StationCallsign = pc
-			}
-		}
-	}
 
 	// ── DXCC# + QSL defaults ──
 	// applyDXCCNumber stamps the contacted-station DXCC# from the