Revert "Option to Notify Workspace Owner When Usage Limit is Reached" (#17391)

Reverts openai/codex#16969

#sev3-2026-04-10-accountscheckversion-500s-for-openai-workspace-7300

codex-rs/app-server-protocol/schema/json/v2/GetAccountRateLimitsResponse.json

@@ -91,16 +91,6 @@
               "type": "null"
             }
           ]
-        },
-        "spendControl": {
-          "anyOf": [
-            {
-              "$ref": "#/definitions/SpendControlSnapshot"
-            },
-            {
-              "type": "null"
-            }
-          ]
         }
       },
       "type": "object"
@@ -130,17 +120,6 @@
         "usedPercent"
       ],
       "type": "object"
-    },
-    "SpendControlSnapshot": {
-      "properties": {
-        "reached": {
-          "type": "boolean"
-        }
-      },
-      "required": [
-        "reached"
-      ],
-      "type": "object"
     }
   },
   "properties": {