remove duplicate code and fix the limit at 50

locations/Snpc.qsrc

@@ -521,7 +521,7 @@ end
 
 !!Natasha Belova Botha
 if numnpc = 16:
-	if npc_rel['A16'] >= 50 and NatbelQW['QWstage'] = 0 and npc_rel['A<<numnpc>>'] >= 80:
+	if npc_rel['A16'] >= 50 and NatbelQW['QWstage'] = 0:
 		act '"Could you help me out a bit in school?"':
 			*clr & cla