remove _name from metadata key string

[kortemik]

remove _name from metadata key string

k8s_01/src/main/java/com/teragrep/k8s_01/metadata/KubernetesMetadata.java

Lines 35 to 36 in e36a6b1

	jsonObject.addProperty("namespace_name", pod.getNamespaceName());
	jsonObject.addProperty("container_name", containerName); // FIXME: Check if this is correct