Revert "Add the streamListen and streamCancel rpcs to the vm service."

runtime/vm/service_event.cc

Index: runtime/vm/service_event.cc
diff --git a/runtime/vm/service_event.cc b/runtime/vm/service_event.cc
index a0faadf60d193c79d66ba2227d85e5f7468f5d93..070125d6f299f7f4cf83a5c23ff1963874633da7 100644
--- a/runtime/vm/service_event.cc
+++ b/runtime/vm/service_event.cc
@@ -84,8 +84,6 @@ const char* ServiceEvent::EventTypeToCString(EventType type) {
       return "GC";  // TODO(koda): Change to GarbageCollected.
     case kInspect:
       return "Inspect";
-    case kIllegal:
-      return "Illegal";
     default:
       UNREACHABLE();
       return "Unknown";
@@ -93,35 +91,6 @@ const char* ServiceEvent::EventTypeToCString(EventType type) {
 }
 
 
-const char* ServiceEvent::stream_id() const {
-  switch (type()) {
-    case kIsolateStart:
-    case kIsolateExit:
-    case kIsolateUpdate:
-      return "Isolate";
-
-    case kPauseStart:
-    case kPauseExit:
-    case kPauseBreakpoint:
-    case kPauseInterrupted:
-    case kPauseException:
-    case kResume:
-    case kBreakpointAdded:
-    case kBreakpointResolved:
-    case kBreakpointRemoved:
-    case kInspect:
-      return "Debug";
-
-    case kGC:
-      return "GC";
-
-    default:
-      UNREACHABLE();
-      return NULL;
-  }
-}
-
-
 void ServiceEvent::PrintJSON(JSONStream* js) const {
   JSONObject jsobj(js);
   jsobj.AddProperty("type", "ServiceEvent");