fix: Remove invalid securityDefinitions key from operations
fix: Remove invalid securityDefinitions key from operations

The secirutyDefinitions key should only be persent at the top level, not
for each operation.

https://swagger.io/docs/specification/2-0/authentication/basic-authentication/

Glavin001/feathers-swagger,feathersjs/feathers-swagger,feathersjs/feathers-swagger