Flatbuffer cleanup (#598)

* dead code and route removal

* more dead code cleanup

* fix scanpy_engine tests

* lint

* add missing catch in filter parsing

* update scanpy NaN tests

* more fbs tests and dead test removal

* remove forced default for content type negotiation

* bit of cleanup

* more fbs test cleanup

* lint

* remove swagger

* swagger cleanup

* lint

* correctly handle lack of templates

* more dead code removal

* remove unused files

* fix dev build

* lint

server/app/util/utils.py

@@ -1,10 +1,6 @@
 import json
-from argparse import ArgumentTypeError
-
 from numpy import float32, integer
 
-from server.app.util.errors import MimeTypeError
-
 
 class Float32JSONEncoder(json.JSONEncoder):
     def __init__(self, *args, **kwargs):
@@ -30,31 +26,5 @@ def custom_format_warning(msg, *args, **kwargs):
     return f"[cellxgene] Warning: {msg} \n"
 
 
-def get_mime_type(
-    default="application/json", acceptable_types=["application/json", "text/csv"], query_param=None, header=None
-):
-    mime_type = default
-    if query_param:
-        if query_param in acceptable_types:
-            mime_type = query_param
-        else:
-            raise MimeTypeError(f"Unsupported mime type {query_param} specified in query parameter 'accept-type'")
-    elif len(header):
-        mime_type = header.best_match(acceptable_types)
-        if not mime_type:
-            raise MimeTypeError(f"Unsupported mime type(s) {header} in HTTP Accept header")
-    return mime_type
-
-
-def whole_number(value):
-    try:
-        value = int(value)
-    except ValueError as e:
-        raise ArgumentTypeError(f"{value} is not type int") from e
-    if value < 0:
-        raise ArgumentTypeError(f"{value} is not >= 0")
-    return value
-
-
 def jsonify_scanpy(data):
     return json.dumps(data, cls=Float32JSONEncoder, allow_nan=False)