Fix for sound bug on goldrush by disabling ioq3 feature

By disabling the hearing through entity functionality we effectively have the same code for this as ETL again, which is sufficient. Obviously 3rd person will be full volume though.

src/client/snd_dma.c

@@ -624,6 +624,10 @@ Also see S_AL_HearingThroughEntity
 */
 static qboolean S_Base_HearingThroughEntity( int entityNum, vec3_t origin )
 {
+	if ( entityNum == listener_number )
+		return qtrue;
+	return qfalse;
+#if 0
 	float	distanceSq;
 	vec3_t	sorigin;
 
@@ -651,6 +655,7 @@ static qboolean S_Base_HearingThroughEntity( int entityNum, vec3_t origin )
 	}
 	else
 		return qfalse; //not the player
+#endif
 }
 
 /*