Remove BRZ13 from repo and ignore it

Change-Id: I3a86da9a953a17d9813c8bf17a897e9c66312b1a
diff --git a/.gitignore b/.gitignore
index 743e2b0..7332d99 100644
--- a/.gitignore
+++ b/.gitignore
@@ -13,6 +13,7 @@
 MYMETA*
 Makefile
 pm_to_blib
+t/corpus/BRZ13
 *.tar.gz
 *~
 *.sqlite