Fix unused variable in FFDC

Changes:
   - remove undefined name 'target_list'

Tested:
   - NA
Change-Id: I8bae1516af68eb2535e80867feb79c7174603c59
Signed-off-by: George Keishing <gkeishin@in.ibm.com>
diff --git a/ffdc/plugins/redfish.py b/ffdc/plugins/redfish.py
index 92dcdd0..257ef4f 100644
--- a/ffdc/plugins/redfish.py
+++ b/ffdc/plugins/redfish.py
@@ -158,6 +158,3 @@
     for k, v in data.items():
         if isinstance(v, dict):
             get_key_value_nested_dict(v, key)
-
-        if k == key:
-            target_list.append(v)