fix: remove fee abstraction module from open api code generation (#4319)

* remove fee abstraction module from open api code generation

* add changelog

Author: Pantani

Diff for: changelog.md

@@ -38,6 +38,7 @@
 - [#4189](https://github.com/ignite/cli/pull/4189) Deprecate `ignite node` for `ignite connect` app
 - [#4290](https://github.com/ignite/cli/pull/4290) Remove ignite ics logic from ignite cli (this functionality will be in the `consumer` app)
 - [#4295](https://github.com/ignite/cli/pull/4295) Stop scaffolding `pulsar` files
+- [#4319](https://github.com/ignite/cli/pull/4319) Remove fee abstraction module from open api code generation
 - [#4317](https://github.com/ignite/cli/pull/4317) Remove xchisel dependency
 
 ### Fixes

Diff for: ignite/pkg/cosmosgen/generate_openapi.go

@@ -78,6 +78,7 @@ func (g *generator) generateOpenAPISpec(ctx context.Context) error {
 			dir,
 			g.openAPITemplate(),
 			cosmosbuf.ExcludeFiles(
+				"*/osmosis-labs/fee-abstraction/*",
 				"*/module.proto",
 				"*/testutil/*",
 				"*/testdata/*",