Refactor APIDataSource to work with DataSourceRegistry

chrome/common/extensions/docs/server2/template_renderer.py

 # Copyright 2013 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 from data_source_registry import CreateDataSources
 from third_party.handlebar import Handlebar
 from url_constants import GITHUB_BASE, EXTENSIONS_SAMPLES
 
 
 class TemplateRenderer(object):
@@ skipping 33 matching lines @@
     })
     if additional_context:
       render_context.update(additional_context)
     render_data = template.Render(render_context)
     return render_data.text, render_data.errors
 
   def _CreateDataSources(self, request):
     server_instance = self._server_instance
     data_sources = CreateDataSources(server_instance, request=request)
     data_sources.update({
-      'apis': server_instance.api_data_source_factory.Create(request),
       'samples': server_instance.samples_data_source_factory.Create(request),
     })
     return data_sources