Simplify local speech models

packages/server/package.json

@@ -44,7 +44,6 @@
     "generate:config-schema": "tsx scripts/generate-config-schema.ts",
     "speech:models": "tsx scripts/list-speech-models.ts",
     "speech:download": "tsx scripts/download-speech-models.ts",
-    "speech:tts:matrix": "tsx scripts/generate-sherpa-tts-matrix.ts",
     "speech:transcribe:local": "tsx scripts/transcribe-local-wav.ts",
     "test": "npm run test:unit && npm run test:integration",
     "test:unit": "vitest run --exclude \"**/*.e2e.test.ts\"",
@@ -70,7 +69,6 @@
     "@isaacs/ttlcache": "^2.1.4",
     "@modelcontextprotocol/sdk": "^1.20.1",
     "@opencode-ai/sdk": "1.14.46",
-    "@sctg/sentencepiece-js": "^1.1.0",
     "@xterm/headless": "^6.0.0",
     "ai": "5.0.78",
     "ajv": "^8.20.0",
@@ -81,7 +79,6 @@
     "lru-cache": "^11.5.1",
     "mnemonic-id": "^3.2.7",
     "node-pty": "1.2.0-beta.11",
-    "onnxruntime-node": "^1.23.0",
     "openai": "^4.20.0",
     "p-limit": "^7.3.0",
     "p-memoize": "^8.0.0",
@@ -89,7 +86,6 @@
     "pino-pretty": "^13.1.3",
     "qrcode": "^1.5.4",
     "rotating-file-stream": "^3.2.9",
-    "sherpa-onnx": "1.12.28",
     "sherpa-onnx-node": "1.12.28",
     "strip-ansi": "^7.1.2",
     "tree-kill": "^1.2.2",