Revert "Build Observatory with runtime"

runtime/observatory/lib/src/elements/context_ref.html

Index: runtime/observatory/lib/src/elements/context_ref.html
diff --git a/runtime/observatory/lib/src/elements/context_ref.html b/runtime/observatory/lib/src/elements/context_ref.html
deleted file mode 100644
index deb767b67638fdbf377217575c51a0cc7ad9910d..0000000000000000000000000000000000000000
--- a/runtime/observatory/lib/src/elements/context_ref.html
+++ /dev/null
@@ -1,33 +0,0 @@
-<link rel="import" href="../../../../packages/polymer/polymer.html">
-<link rel="import" href="curly_block.html">
-<link rel="import" href="observatory_element.html">
-<link rel="import" href="service_ref.html">
-
-<polymer-element name="context-ref" extends="service-ref">
-  <template>
-    <link rel="stylesheet" href="css/shared.css">
-    <span>
-      <a on-click="{{ goto }}" _href="{{ url }}"><em>Context</em> ({{ ref.length }})</a>
-      <curly-block callback="{{ expander() }}">
-        <div class="memberList">
-          <div class="memberItem">
-            <div class="memberName">parent</div>
-            <div class="memberValue">
-              <any-service-ref ref="{{ ref.parentContext }}"></any-service-ref>
-            </div>
-          </div>
-          <template repeat="{{ variable in ref.variables }}">
-            <div class="memberItem">
-              <div class="memberName">[{{ variable['index']}}]</div>
-              <div class="memberValue">
-                <any-service-ref ref="{{ variable['value'] }}"></any-service-ref>
-              </div>
-            </div>
-          </template>
-        </div>
-      </curly-block>
-    </span>
-  </template>
-</polymer-element>
-
-<script type="application/dart" src="context_ref.dart"></script>