Removed vc folder.

Change-Id: I873491e1c5a0d09fe00eb7256a9e027c4be7c6bd
diff --git a/.gitignore b/.gitignore
index cf2be21..a236671 100644
--- a/.gitignore
+++ b/.gitignore
@@ -27,3 +27,4 @@
 /src/test/resources/sample-index
 /src/test/java/de/ids_mannheim/korap/collection/TestWithExternalIndex.java
 /krill_cache/
+/vc