[BUG] OAuth dependency added by default

Created by: wtrocki

Bug Report Checklist

Have you provided a full/minimal spec to reproduce the issue?
Have you validated the input using an OpenAPI validator (example)?
Have you tested with the latest master to confirm the issue still exists?
Have you searched for related issues/PRs?
What's the actual output vs expected output?
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Description

When generating any OpenAPI with no security scheme openapi generator golang adds OAuth specific dependencies and code

openapi-generator version

v6.2.1

OpenAPI declaration file content or url

Example for dependency: https://github.com/OpenAPITools/openapi-generator/blob/master/samples/client/petstore/go/go.mod#L11

Generation Details

Steps to reproduce

Bug is visible in current example projects in the repository;

https://github.com/OpenAPITools/openapi-generator/blob/master/samples/client/petstore/go/

Related issues/PRs

https://github.com/OpenAPITools/openapi-generator/issues/5018

Suggest a fix

I think templates should detect if security scheme is present and add dependencies and other oauth specific code only if security scheme contains it