simplify config (#2128)

Semester specific parents are no longer needed.

Author: BillWagner

quest-config.json

@@ -6,41 +6,6 @@
     },
     "ImportTriggerLabel": ":world_map: reQUEST",
     "ImportedLabel": ":pushpin: seQUESTered",
-    "ParentNodes": [
-        {
-            "Label": "okr-freshness",
-            "Semester": "Selenium",
-            "ParentNodeId": 286034
-        },
-        {
-            "Label": "okr-curation",
-            "Semester": "Selenium",
-            "ParentNodeId": 286038
-        },
-        {
-            "Label": "okr-health",
-            "Semester": "Selenium",
-            "ParentNodeId": 286038
-        },
-        {
-            "Label": "user-feedback",
-            "Semester": "Selenium",
-            "ParentNodeId": 286039
-        },
-        {
-            "Label": "doc-bug",
-            "Semester": "Selenium",
-            "ParentNodeId": 286039
-        },
-        {
-            "Semester": "Selenium",
-            "ParentNodeId": 308200
-        },
-        {
-            "Semester": "Bromine",
-            "ParentNodeId": 410742
-        }
-    ],
     "DefaultParentNode": 410742,
     "WorkItemTags": [
         {