Remove MRU limit on PPPoE (#573)

Fixes #331

Signed-off-by: Mateusz Poliwczak <mpoliwczak34@gmail.com>

Author: mateusz834

pppd/plugins/pppoe/plugin.c

@@ -453,11 +453,6 @@ void pppoe_check_options(void)
     lcp_allowoptions[0].neg_pcompression = 0;
     lcp_wantoptions[0].neg_pcompression = 0;
 
-    if (lcp_allowoptions[0].mru > MAX_PPPOE_MTU)
-	lcp_allowoptions[0].mru = MAX_PPPOE_MTU;
-    if (lcp_wantoptions[0].mru > MAX_PPPOE_MTU)
-	lcp_wantoptions[0].mru = MAX_PPPOE_MTU;
-
     /* Save configuration */
     conn->storedmtu = lcp_allowoptions[0].mru;
     conn->storedmru = lcp_wantoptions[0].mru;