Remove file type, will be implemented using separate table and silo package later

sqlalchemy_utils/types/file.py

@@ -1,29 +0,0 @@
-from six import binary_type
-
-
-class FileType(TypeDecorator):
-    """
-    FileType for SQLAlchemy
-
-    When the FileType value is being stored into database the FileType saves
-    the filename as unicode in the associated column.
-
-    When the value is fetched from database this type opens the associated
-    file object.
-    """
-    impl = UnicodeText
-
-    def __init__(self, open_func=open, *args, **kwargs):
-        self.open_func = open_func
-        TypeDecorator.__init__(self, *args, **kwargs)
-
-    def process_bind_param(self, value, dialect):
-        if value:
-            if isinstance(value.name, str):
-                return value.name.decode('utf8')
-            else:
-                return value.name
-
-    def process_result_value(self, value, dialect):
-        if value:
-            return self.open_func(value.encode('utf8'))