Remove Stainless SDK config

Drop .stainless/ workspace and generator config; keep the static
openapi.json, golden-file test, and operation_id cleanup so the
spec stays usable with any SDK generator.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

.gitignore

@@ -16,4 +16,3 @@ __pycache__/
 *.pyc
 demo/*.omni/
 .omnigraph-rustfs-demo/
-sdks/

.stainless/stainless.yml

@@ -1,60 +0,0 @@
-edition: "2026-02-23"
-
-organization:
-  name: omnigraph
-  docs: https://github.com/ModernRelay/omnigraph
-  github_org: ModernRelay
-
-targets:
-  typescript:
-    package_name: omnigraph
-    production_repo: ModernRelay/omnigraph-typescript
-    publish:
-      npm: true
-  python:
-    package_name: omnigraph
-    production_repo: ModernRelay/omnigraph-python
-    publish:
-      pypi: true
-
-client_settings:
-  opts:
-    api_key:
-      type: string
-      auth:
-        security_scheme: bearer_token
-    base_url:
-      type: string
-
-resources:
-  $client:
-    methods:
-      read: post /read
-      change: post /change
-      export: post /export
-      ingest: post /ingest
-  schema:
-    methods:
-      apply: post /schema/apply
-  branches:
-    methods:
-      list: get /branches
-      create: post /branches
-      delete: delete /branches/{branch}
-      merge: post /branches/merge
-  runs:
-    methods:
-      list: get /runs
-      retrieve: get /runs/{run_id}
-      publish: post /runs/{run_id}/publish
-      abort: post /runs/{run_id}/abort
-  commits:
-    methods:
-      list: get /commits
-      retrieve: get /commits/{commit_id}
-  snapshots:
-    methods:
-      retrieve: get /snapshot
-
-settings:
-  license: MIT

.stainless/workspace.json

@@ -1,13 +0,0 @@
-{
-  "project": "omnigraph",
-  "openapi_spec": "../openapi.json",
-  "stainless_config": "./stainless.yml",
-  "targets": {
-    "typescript": {
-      "output_path": "../sdks/omnigraph-typescript"
-    },
-    "python": {
-      "output_path": "../sdks/omnigraph-python"
-    }
-  }
-}