Remove empty new line character from end of file

Author: mwojcik-dropbox

openapi-sdk.yaml

@@ -14807,4 +14807,3 @@ x-error-events:
     cause: 'The embedded sign_url is no longer valid (e.g. expired).'
     remediation: 'Generate a fresh embedded sign_url via the embedded sign URL endpoint.'
     retryable: 'yes'
-