fix: remove unwanted a2a fields

[radugheo]

This PR removes unnecessary fields from the Remote A2A resource model in order to match with agent.json.

Development Packages

uipath

[project]
dependencies = [
  # Exact version:
  "uipath==2.10.46.dev1015545968",

  # Any version from PR
  "uipath>=2.10.46.dev1015540000,<2.10.46.dev1015550000"
]

[[tool.uv.index]]
name = "testpypi"
url = "https://test.pypi.org/simple/"
publish-url = "https://test.pypi.org/legacy/"
explicit = true

[tool.uv.sources]
uipath = { index = "testpypi" }