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

* remove fee abstraction module from open api code generation

* add changelog

(cherry picked from commit 29a8eb3)

changelog.md

@@ -5,6 +5,31 @@
 ### Changes
 
 - [#4292](https://github.com/ignite/cli/pull/4292) Bump Cosmos SDK to `v0.50.9`
+- [#4094](https://github.com/ignite/cli/pull/4094) Scaffolding a multi-index map using `ignite s map foo bar baz --index foobar,foobaz` is no longer supported. Use one index instead of use `collections.IndexedMap`.
+- [#4058](https://github.com/ignite/cli/pull/4058) Simplify scaffolded modules by including `ValidateBasic()` logic in message handler.
+- [#4058](https://github.com/ignite/cli/pull/4058) Use `address.Codec` instead of `AccAddressFromBech32`.
+- [#3993](https://github.com/ignite/cli/pull/3993) Oracle scaffolding was deprecated and has been removed
+- [#3962](https://github.com/ignite/cli/pull/3962) Rename all RPC endpoints and autocli commands generated for `map`/`list`/`single` types
+- [#3976](https://github.com/ignite/cli/pull/3976) Remove error checks for Cobra command value get calls
+- [#4002](https://github.com/ignite/cli/pull/4002) Bump buf build
+- [#4008](https://github.com/ignite/cli/pull/4008) Rename `pkg/yaml` to `pkg/xyaml`
+- [#4075](https://github.com/ignite/cli/pull/4075) Use `gopkg.in/yaml.v3` instead `gopkg.in/yaml.v2`
+- [#4118](https://github.com/ignite/cli/pull/4118) Version scaffolded protos as `v1` to follow SDK structure.
+- [#4167](https://github.com/ignite/cli/pull/4167) Scaffold `int64` instead of `int32` when a field type is `int`
+- [#4159](https://github.com/ignite/cli/pull/4159) Enable gci linter
+- [#4160](https://github.com/ignite/cli/pull/4160) Enable copyloopvar linter
+- [#4162](https://github.com/ignite/cli/pull/4162) Enable errcheck linter
+- [#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
+
+- [#4000](https://github.com/ignite/cli/pull/4000) Run all dry runners before the wet run in the `xgenny` pkg
+- [#4091](https://github.com/ignite/cli/pull/4091) Fix race conditions in the plugin logic
+- [#4128](https://github.com/ignite/cli/pull/4128) Check for duplicate proto fields in config
 - [#4309](https://github.com/ignite/cli/pull/4309) Fix chain id for chain simulations
 
 ## [`v28.5.1`](https://github.com/ignite/cli/releases/tag/v28.5.1)

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/*",