remove .gitreview file on github

Change-Id: If25a3252244c14128089e5b7997396a8869abc7e
diff --git a/.gitreview b/.gitreview
deleted file mode 100644
index 8799235..0000000
--- a/.gitreview
+++ /dev/null
@@ -1,5 +0,0 @@
-[gerrit]
-host=gerrit.mcp.mirantis.net
-port=29418
-project=salt-formulas/linux
-