Update check templates to remove functions. Closes #1320

utils/string_slice.go

@@ -0,0 +1,14 @@
+package utils
+
+// TODO: investigate turbot/go-kit/helpers
+func StringSliceDistinct(slice []string) []string {
+	var res []string
+	occurenceMap := make(map[string]struct{})
+	for _, item := range slice {
+		occurenceMap[item] = struct{}{}
+	}
+	for item := range occurenceMap {
+		res = append(res, item)
+	}
+	return res
+}