Removal of Cognito Trigger from function is not taking effect

[markl-vesper]

• What went wrong?
  I removed a cognito trigger from a function and deployed the stack. The trigger was still configured and active

• What did you expect should have happened?
  I expected the trigger to be removed from the Cognito Pool

• What was the config you used?
  functions
  cognitoPostConfirmation:
  handler: src/marlin/cognitoPostConfirmation.handle
  description: Handles any post user signup functions
  timeout: 60
  # events:
  # - cognitoUserPool:
  # pool: ${self:custom.${self:custom.stage}.cognitoPoolId}
  # trigger: PostConfirmation

• What stacktrace or error message from your provider did you see?
  none
  Similar or dependent issues:

Additional Data

• Serverless Framework Version you're using: - 1.39.1
• Operating System: - Amazon Linux 2
• Stack Trace: - n/a
• Provider Error messages: n/a