Remove macosx temporary files

Change-Id: I162f9ae71461ac3692054f99c3651164fdb0b9cd
diff --git a/src/org/antlr/runtime/tree/.DS_Store b/src/org/antlr/runtime/tree/.DS_Store
deleted file mode 100644
index 5008ddf..0000000
--- a/src/org/antlr/runtime/tree/.DS_Store
+++ /dev/null
Binary files differ