Disable test_custom_image to stop reoccuring integ test failure (#6000)

Author: hgreebe

tests/integration-tests/configs/develop.yaml

@@ -52,11 +52,11 @@ test-suites:
           instances: {{ common.INSTANCES_DEFAULT_X86 }}
           oss: ["alinux2"]
           schedulers: ["awsbatch"]
-    test_api.py::test_custom_image:
-      dimensions:
-        - regions: ["sa-east-1"]
-          instances: {{ common.INSTANCES_DEFAULT_X86 }}
-          oss: ["alinux2"]
+    # test_api.py::test_custom_image:
+    #   dimensions:
+    #     - regions: ["sa-east-1"]
+    #       instances: {{ common.INSTANCES_DEFAULT_X86 }}
+    #       oss: ["alinux2"]
     test_api.py::test_login_nodes:
       dimensions:
         - regions: ["sa-east-1"]