Properly do config for upload example

examples/upload/conf/upload.conf

@@ -3,17 +3,14 @@
 bind		127.0.0.1 8888
 load		./upload.so
 
+tls_dhparam	dh2048.pem
+
 http_body_max		1024000000
 http_body_disk_offload	4096
 
-validator	v_name		regex		^[a-zA-Z]*$
-validator	v_number	regex		^[0-9]*$
-
 domain 127.0.0.1 {
-	static	/	page
+	certfile        cert/server.crt
+	certkey         cert/server.key
 
-	params post / {
-		validate	field1		v_name
-		validate	field2		v_number
-	}
+	static	/	page
 }