Remove bazel-genfiles from .gitignore

Change-Id: I1af194ce981f0de2fdd5e52d1ff57b80300e1950

.gitignore

diff --git a/.gitignore b/.gitignore
index 76e0e77..4f44d20 100644
--- a/.gitignore
+++ b/.gitignore
@@ -2,7 +2,6 @@
 /.project
 /.settings/
 /bazel-bin
-/bazel-genfiles
 /bazel-out
 /bazel-reviewers
 /bazel-testlogs