remove .gitreview file on github

Change-Id: I13d66ffcc141f8a022e61b29c8cf12398fbcaaf6
diff --git a/.gitreview b/.gitreview
deleted file mode 100644
index 6053c24..0000000
--- a/.gitreview
+++ /dev/null
@@ -1,4 +0,0 @@
-[gerrit]
-host=mcp-ci-gerrit
-port=29418
-project=salt-formulas/telegraf.git