fix: remove bad example data from employment history spec

• fix: remove bad example data from employment history spec

spec/openapi.yaml

@@ -222,9 +222,6 @@ paths:
             application/json:
               schema:
                 $ref: "#/components/schemas/EmploymentHistories"
-              example:
-                signed: true
-                can_contribute_spec_project: true
         "500":
           description: Error while retrieving data.
       deprecated: false