Remove unnecessary yarn prefix from type-check script

Author: ruohola

package.json

@@ -10,7 +10,7 @@
     "release": "lerna publish --no-verify-access --yes from-package",
     "format": "prettier --write '**/*.{ts,js,json}' && eslint --fix --max-warnings=0 --ext=.ts,.js .",
     "lint": "prettier --check '**/*.{ts,js,json}' && eslint --max-warnings=0 --ext=.ts,.js .",
-    "type-check": "yarn tsc --noEmit",
+    "type-check": "tsc --noEmit",
     "test": "jest --verbose",
     "test:cov": "yarn test --coverage",
     "postinstall": "yarn --cwd=packages/core build"