Resolved duplicate entries in foreign languages

The following items were changed in the masterIndex.txt:

Japanese items:
"Plate armor" "かっちゅう" to "かっちゅう (1)"
"Samurai shirt" "かっちゅう" to "かっちゅう (2)"

Italian items:
"Festival lantern" "Lanterna cinese" to "Lanterna cinese (1)"
"Red-tasseled lantern" "Lanterna cinese" to "Lanterna cinese (2)"