Remove indent parameter from API

It's not really needed and it's not possible to implement it using
JsonResponse and Django < 1.9.
Signed-off-by: Michal Čihař <michal@cihar.com>

docs/api.rst

@@ -78,20 +78,16 @@ Weblate provides various exports to allow you further process the data.
 
 .. http:get:: /exports/stats/(string:project)/(string:component)/
 
-    :query integer indent: pretty printed indentation
     :query string jsonp: JSONP callback function to wrap the data
 
     Retrieves statistics for given component in JSON format. Optionally as
     JSONP when you specify the callback in the ``jsonp`` parameter.
 
-    You can get pretty-printed output by appending ``?indent=1`` to the
-    request.
-
     **Example request**:
 
     .. sourcecode:: http
 
-        GET /exports/stats/weblate/master/?indent=4 HTTP/1.1
+        GET /exports/stats/weblate/master/ HTTP/1.1
         Host: example.com
         Accept: application/json, text/javascript
 

weblate/trans/views/api.py

@@ -300,11 +300,6 @@ def export_stats(request, project, subproject):
     '''
     subprj = get_subproject(request, project, subproject)
 
-    try:
-        indent = int(request.GET['indent'])
-    except (ValueError, KeyError):
-        indent = None
-
     jsonp = None
     if 'jsonp' in request.GET and request.GET['jsonp']:
         jsonp = request.GET['jsonp']
@@ -335,13 +330,11 @@ def export_stats(request, project, subproject):
                 json.dumps(
                     response,
                     cls=DjangoJSONEncoder,
-                    indent=indent,
                 )
             ),
             content_type='application/javascript'
         )
     return JsonResponse(
         data=response,
-        json_dumps_params={'indent': indent},
         safe=False
     )