elasticsearch7: Add suppress_type_name configuration parameter
elasticsearch7: Add suppress_type_name configuration parameter

FIxes #459

Signed-off-by: Hiroshi Hatake <a476a6e5b5893650242fbf0b2961500a9bd9032e@clear-code.com>

fluent/fluentd-kubernetes-daemonset,fluent/fluentd-kubernetes-daemonset,fluent/fluentd-kubernetes-daemonset