Remove the gclient file, it should be generated now.

BUG=angle:713

Change-Id: Icd3e9c5212baf4c1dc781df6fef68c078b054e1a
Reviewed-on: https://chromium-review.googlesource.com/210883
Reviewed-by: Jamie Madill <jmadill@chromium.org>
Reviewed-by: Shannon Woods <shannonwoods@chromium.org>
Tested-by: Geoff Lang <geofflang@chromium.org>
diff --git a/.gitignore b/.gitignore
index ff5ddbc..53ee4ba 100644
--- a/.gitignore
+++ b/.gitignore
@@ -35,3 +35,5 @@
 Makefile
 *.Makefile
 *~
+.gclient
+angle_internal