Fix #19809 -- Don't check if docs exist in DB.

The docs database is built from the JSON version of the docs, which
doesn't include special pages such as indexes.

This reverts commit 1af4480.

d51819e has a better and sufficient
fix.

Refs #18930.

docs/views.py

@@ -5,16 +5,15 @@
 import django.views.static
 from django.core import urlresolvers
 from django.http import Http404
-from django.shortcuts import get_object_or_404, redirect, render_to_response
-
+from django.shortcuts import render_to_response, redirect
 from django.template import RequestContext
 from django.utils import simplejson
 
 import haystack.views
 
 from .context_processors import recent_release
 from .forms import DocSearchForm
-from .models import DocumentRelease, Document
+from .models import DocumentRelease
 from .utils import get_doc_root_or_404, get_doc_path_or_404
 
 
@@ -39,8 +38,6 @@ def document(request, lang, version, url):
     except UnicodeEncodeError:
         raise Http404
 
-    get_object_or_404(Document,
-        release__lang=lang, release__version=version, path=url)
     docroot = get_doc_root_or_404(lang, version)
     doc_path = get_doc_path_or_404(docroot, url)