Do not force config_file to be string

Author: myakove

ocp_resources/resource.py

@@ -485,11 +485,6 @@ def __init__(
         self.node_selector = node_selector
         self.node_selector_labels = node_selector_labels
         self.config_file = config_file
-        if not isinstance(self.config_file, str):
-            # If we pass config_file which isn't a string, get_client will fail and it will be very hard to know why.
-            # Better fail here and let the user know.
-            raise ValueError("config_file must be a string")
-
         self.config_dict = config_dict or {}
         self.context = context
         self.label = label