remove .gitreview file on github

Change-Id: I5c536a7aedb0b73c3f601079727acb9e67b251c2
diff --git a/.gitreview b/.gitreview
deleted file mode 100644
index a9eba8d..0000000
--- a/.gitreview
+++ /dev/null
@@ -1,4 +0,0 @@
-[gerrit]
-host=gerrit.mcp.mirantis.net
-port=29418
-project=salt-formulas/ceilometer.git