http-app: simplify detection of chunked encoding.

- since we now properly use chunked requests git client reports this in nicer way.
we no longer need to rely on hacks to detect chunked streams.

rhodecode/lib/middleware/utils/scm_app_http.py

@@ -126,6 +126,11 @@ class VcsHttpProxy(object):
         return _maybe_stream_response(response)
 
 
+def _is_request_chunked(environ):
+    stream = environ.get('HTTP_TRANSFER_ENCODING', '') == 'chunked'
+    return stream
+
+
 def _maybe_stream_request(environ):
     path = environ['PATH_INFO']
     stream = _is_request_chunked(environ)
@@ -137,15 +142,6 @@ def _maybe_stream_request(environ):
         return environ['wsgi.input'].read()
 
 
-def _is_request_chunked(environ):
-    stream = environ.get('HTTP_TRANSFER_ENCODING', '') == 'chunked'
-    if not stream:
-        # git lfs should stream for PUT requests which are upload
-        stream = ('git-lfs' in environ.get('HTTP_USER_AGENT', '')
-                  and environ['REQUEST_METHOD'] == 'PUT')
-    return stream
-
-
 def _maybe_stream_response(response):
     """
     Try to generate chunks from the response if it is chunked.