Updated item_delay.txt description follow up r15762

git-svn-id: https://svn.code.sf.net/p/rathena/svn/trunk@15767 54d463be-8e91-2dee-dedb-b68131a5f0ec

db/item_delay.txt

@@ -1,5 +1,5 @@
 // Item Delay Database
-// Max number of entries is defined in itemdb.h as MAX_ITEMDELAYS
+// There is a max concurrent number of entries modifiable in src/map/itemdb.h as MAX_ITEMDELAYS
 //
 // Structure:
 // Item ID,Delay in Milliseconds