chore: remove opentelemetry-api dependency from google-api-core

Author: chalmerlowe

packages/google-api-core/pyproject.toml

@@ -49,7 +49,6 @@ dependencies = [
   "proto-plus >= 1.25.0, < 2.0.0; python_version >= '3.13'",
   "google-auth >= 2.14.1, < 3.0.0",
   "requests >= 2.33.0, < 3.0.0",
-  "opentelemetry-api >= 1.27.0, < 2.0.0",
 ]
 dynamic = ["version"]