stdlib, resources: Removed unused import

Change-Id: Iee54cc695c7c8ce146719ef583be424b792e2232

src/python/gem5/resources/resource.py

@@ -25,7 +25,6 @@
 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 from abc import ABCMeta
-import json
 import os
 from pathlib import Path
 from m5.util import warn, fatal
@@ -800,7 +799,6 @@ def obtain_resource(
     # Once we know what AbstractResource subclass we are using, we create it.
     # The fields in the JSON object are assumed to map like-for-like to the
     # subclass contructor, so we can pass the resource_json map directly.
-
     return resource_class(local_path=to_path, **resource_json)