Purge heron-admin (#3585)

* remove heron-admin binary from release
 * remove nomad binary from release
 * remove "standalone" cluster config from release and documentation

Author: Code0x58

WORKSPACE

@@ -403,21 +403,6 @@ http_archive(
 load("@rules_pkg//:deps.bzl", "rules_pkg_dependencies")
 rules_pkg_dependencies()
 
-# for nomad repear
-http_archive(
-    name = "nomad_mac",
-    build_file = "@//:third_party/nomad/nomad.BUILD",
-    sha256 = "53452f5bb27131f1fe5a5f9178324511bcbc54e4fef5bec4e25b049ac38e0632",
-    urls = ["https://releases.hashicorp.com/nomad/0.7.0/nomad_0.7.0_darwin_amd64.zip"],
-)
-
-http_archive(
-    name = "nomad_linux",
-    build_file = "@//:third_party/nomad/nomad.BUILD",
-    sha256 = "b3b78dccbdbd54ddc7a5ffdad29bce2d745cac93ea9e45f94e078f57b756f511",
-    urls = ["https://releases.hashicorp.com/nomad/0.7.0/nomad_0.7.0_linux_amd64.zip"],
-)
-
 # scala integration
 rules_scala_version = "358ab829626c6c2d34ec27f856485d3121e299c7"  # Jan 15 2020 - update this as needed
 

examples/src/java/org/apache/heron/examples/streamlet/SimplePulsarSourceTopology.java

@@ -106,7 +106,7 @@ public static void main(String[] args) throws Exception {
      */
     Source<String> pulsarSource = new PulsarSource(
         "pulsar://localhost:6650", // Pulsar connection URL
-        "persistent://sample/standalone/ns1/heron-pulsar-test-topic", // Pulsar topic
+        "persistent://sample/nomad/ns1/heron-pulsar-test-topic", // Pulsar topic
         "subscription-1" // Subscription name for the Pulsar topic
     );